In Nigeria, Polio Vaccine Workers Are Killed by Gunmen

At least nine polio immunization workers were shot to death in northern Nigeria on Friday by gunmen who attacked two clinics, officials said.

The killings, with eerie echoes of attacks that killed nine female polio workers in Pakistan in December, represented another serious setback for the global effort to eradicate polio.

Most of the victims were women and were shot in the back of the head, local reports said.

A four-day vaccination drive had just ended in Kano State, where the killings took place, and the vaccinators were in a “mop-up” phase, looking for children who had been missed, said Sarah Crowe, a spokeswoman for the United Nations Children’s Fund, one of the agencies running the eradication campaign.

Dr. Mohammad Ali Pate, Nigeria’s minister of state for health, said in a telephone interview that it was not entirely clear whether the gunmen were specifically targeting polio workers or just attacking the health centers where vaccinators happened to be gathering early in the morning. “Health workers are soft targets,” he said.

No one immediately took responsibility, but suspicion fell on Boko Haram, a militant Islamist group that has attacked police stations, government offices and even a religious leader’s convoy.

Polio, which once paralyzed millions of children, is now down to fewer than 1,000 known cases around the world, and is endemic in only three countries: Nigeria, Pakistan and Afghanistan.

Since September — when a new polio operations center was opened in the capital and Nigeria’s president, Goodluck Jonathan, appointed a special adviser for polio — the country had been improving, said Dr. Bruce Aylward, chief of polio eradication for the World Health Organization. There have been no new cases since Dec. 3.

While vaccinators have not previously been killed in the country, there is a long history of Nigerian Muslims shunning the vaccine.

Ten years ago, immunization was suspended for 11 months as local governors waited for local scientists to investigate rumors that it caused AIDS or was a Western plot to sterilize Muslim girls. That hiatus let cases spread across Africa. The Nigerian strain of the virus even reached Saudi Arabia when a Nigerian child living in hills outside Mecca was paralyzed.

Heidi Larson, an anthropologist at the London School of Hygiene and Tropical Medicine who tracks vaccine issues, said the newest killings “are kind of mimicking what’s going on in Pakistan, and I feel it’s very much prompted by that.”

In a roundabout way, the C.I.A. has been blamed for the Pakistan killings. In its effort to track Osama bin Laden, the agency paid a Pakistani doctor to seek entry to Bin Laden’s compound on the pretext of vaccinating the children — presumably to get DNA samples as evidence that it was the right family. That enraged some Taliban factions in Pakistan, which outlawed vaccination in their areas and threatened vaccinators.

Nigerian police officials said the first shootings were of eight workers early in the morning at a clinic in the Tarauni neighborhood of Kano, the state capital; two or three died. A survivor said the two gunmen then set fire to a curtain, locked the doors and left.

“We summoned our courage and broke the door because we realized they wanted to burn us alive,” the survivor said from her bed at Aminu Kano Teaching Hospital.

About an hour later, six men on three-wheeled motorcycles stormed a clinic in the Haye neighborhood, a few miles away. They killed seven women waiting to collect vaccine.

Ten years ago, Dr. Larson said, she joined a door-to-door vaccination drive in northern Nigeria as a Unicef communications officer, “and even then we were trying to calm rumors that the C.I.A. was involved,” she said. The Iraq and Afghanistan wars had convinced poor Muslims in many countries that Americans hated them, and some believed the American-made vaccine was a plot by Western drug companies and intelligence agencies.

Since the vaccine ruse in Pakistan, she said, “Frankly, now, I can’t go to them and say, ‘The C.I.A. isn’t involved.’ ”

Dr. Pate said the attack would not stop the newly reinvigorated eradication drive, adding, “This isn’t going to deter us from getting everyone vaccinated to save the lives of our children.”

Aminu Abubakar contributed reported from Kano, Nigeria.

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U.S. Use of Mexican Battery Recyclers Is Faulted

United States companies are sending spent lead batteries to recycling plants in Mexico that do not meet American environmental standards, according to an environmental agency created under the North American Free Trade Agreement, putting Mexican communities at risk.

In a blistering report submitted this week, the agency, the Commission for Environmental Cooperation, notes that the United States does not fully follow procedures common among developed nations that treat international battery shipments as hazardous waste. It faults environmental agencies on both sides of the border for lapses in regulation and enforcement. Cross-border trade in lead batteries increased by up to 525 percent from 2004 to 2011, the report said.

The report, which has been circulating in draft form, has been forwarded to the governments of the United States, Canada and Mexico, which have 60 days to object to its publication. An estimated 20 percent of lead acid batteries from the United States now go to Mexico for recycling, according to trade statistics.

“There needs to be better coordination between government agencies and better cross-border tracking,” said Evan Lloyd, who was the agency’s executive director until late last year and oversaw the yearlong study.

The report highlighted a number of shortcomings: Customs data on the number of batteries crossing the border did not mesh with counts by the United States Environmental Protection Agency. Though the E.P.A. requires notice of batteries leaving the United States, there was no effort to make sure that they had arrived at qualified recyclers in Mexico. The data that battery companies sent to the E.P.A. about exports consisted of “piles of paper,” Mr. Lloyd said, and it was never amassed into an electronic database that would be “useful to regulators.”

Almost all lead acid batteries used in the United States are recycled to extract the lead for reuse because lead is a dangerous pollutant and because it is a valuable commodity. Lead batteries are used in vehicles, cellphone towers and wind turbines.

Since 2008, new United States limits on lead pollution have made domestic recycling complicated and costly. That has helped propel the recycling trade to Mexico, both legally and illegally, environmental groups say, because that country has less stringent limits for lead pollution, and far less vigorous enforcement.

“There’s a pretty consistent pattern suggesting that exports are the direct result of U.S. emissions standards,” said Perry Gottesfeld, executive director of Occupational Knowledge International, which has led the campaign against lead poisoning internationally. Mr. Gottesfeld noted that a Mexican plant owned by a major American recycler, Johnson Controls Inc., puts out more than 30 times as much lead emissions as its newest plant in the United States.

“What Mexico needs to do is to get its recycling up to U.S. standards, and the U.S. needs to do a much better job of tracking batteries overseas,” he said. In an e-mail, Johnson Controls, based in Milwaukee, said it was “modernizing and reinvesting” in the Mexican facility, acquired in 2005, “to reduce its environmental footprint.”

The report was initiated in response to a report by Occupational Knowledge International and Fronteras Comunes, a Mexican environmental group, as well as to an investigative article in The New York Times, Mr. Lloyd said. Soil collected by The Times in a school playground near a recycling plant outside Mexico City was found to have lead levels five times those allowed in the United States.

Lead poisoning causes high blood pressure, kidney damage and abdominal pain in adults, and serious developmental delays and behavioral problems in young children. When batteries are broken for recycling, the lead is released as dust and, during melting, as lead-laced emissions.

In the United States, recyclers operate in highly mechanized, tightly sealed plants, with smokestack scrubbers and extensive monitors to detect lead release. Plants in Mexico vary greatly in safety standards, and in some, the recycling process is little more than men with hammers smashing batteries and melting down their contents in furnaces.

In recent months, there have been new efforts to curb the flow of batteries south of the border, though many battery makers have fought that. In response to a draft of the report released late last year, Battery Council International, an industry group, said it opposed “the creation of additional burdensome certification programs.”

Last year, the United States General Services Administration, which is responsible for federal vehicles, asked ASTM International, an independent standards agency, to explore a voluntary standard for battery recycling.

But that effort came to naught after the proposal was voted down at an open meeting attended by representatives from industry, government and environmental groups in December. Of the 103 people at the meeting, 49 worked for Johnson Controls.

This article has been revised to reflect the following correction:

Correction: February 9, 2013

An earlier version of this article misstated part of the name of an American recycler cited by Perry Gottesfeld, executive director of Occupational Knowledge International, as the owner of a Mexican plant that puts out more than 30 times as much lead emissions as the company’s newest plant in the United States. The American recycling company is Johnson Controls Inc., not Johnson Controls International.

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Fire Destroys Offices of Israeli Soccer Team That Recruited Muslims

Integrating Israeli Soccer:
The Times’s Jodi Rudoren looks at lingering racism in the stands of the last Israeli soccer team to field Muslim players.

JERUSALEM — Prime Minister Benjamin Netanyahu of Israel on Friday condemned as “shameful” the recent protests by soccer fans here of their team’s recent recruitment of two Muslim players, hours after the offices of the team were burned in what the police suspect was an arson set by some of those fans.

“We cannot accept such racist behavior,” Mr. Netanyahu said. “The Jewish people, who suffered excommunications and expulsions, need to represent a light unto the nations.”

The team, Beitar Jerusalem, has long been linked to Mr. Netanyahu’s Likud Party, and for 15 years has been notorious for racism and violence, including an incident last spring in which fans stormed a local mall chanting “Death to Arabs” and beat up several Arab employees. Founded in 1936, it is the only one of Israel’s professional soccer teams never to have recruited an Arab player.

The current controversy concerns the team’s addition of two Muslim players from Chechnya. Although one is injured, the other is expected to play for the first time in a match on Sunday against a team from Sakhnin, an Arab-Israeli town.

In anticipation of the Muslim players’ arrival, some fans unfurled a banner at the team’s Jan. 26 game saying “Beitar Pure Forever.” Some critics said the banner was reminiscent of Nazi Germany’s expulsion of Jews from sport, and it led to nationwide soul-searching.

Four fans were indicted on Thursday for incitement. Beitar headquarters were set on fire at 5 a.m. Friday, according to the police, destroying the team’s trophies, commemorative jerseys of former stars, championship flags, photographs and books. “All the history of Beitar Jerusalem,” said the team spokesman, Asaf Shaked. “It’s not damage by money, it’s damage by emotion.”

The mayor of Jerusalem, Nir Barkat, also condemned the violence on Friday, likening the perpetrators to the mafia. Limor Livnat, Israel’s minister of culture and sport, said she would attend Sunday’s game to show support for the team’s management.

Micky Rosenfeld, a police spokesman, said a special investigative team was looking into the arson, which he said “gushed through the offices,” and that the police would not only send hundreds of extra officers to Sunday’s game, but seek to arrest troublemakers beforehand.

Eli Abarbanel, a senior state prosecutor and Beitar fan, said on Israel Radio Friday that the soccer struggle reflected “a broad phenomenon of racism in all of Israeli society,” citing expressions of “joy” on social media after a recent bus accident that killed 20 Palestinian children.

Itzik Kornfein, Beitar’s manager, also said that the dispute had “gone beyond sports” and had “ramifications for Israeli society and for how we look to the world.” Speaking to Israel Radio, Mr. Kornfein vowed not to back down from his decision to integrate the team, saying, “I don’t compromise on the matter of racism” and predicting that “after violence of this kind, people will come to their senses.”

Mr. Shaked, the Beitar spokesman, said management would “continue to fight against this part of the fans” and “continue to hug the two players” in order “to show all the world” that the club is not defined by the slogans shouted from the stands.

“I hope that from this Sunday we’re going to start a new way for the club,” he said. “We call that ‘The New Beitar.’ This is the slogan of the club now: a different Beitar, a new Beitar.”

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Illini buzzer-beater upsets No. 1 Hoosiers, 74-72

CHAMPAIGN, Ill. (AP) — At this rate, no one will want to be No. 1.

Indiana became the fifth straight top-ranked men's college basketball team to lose, falling to unranked Illinois 74-72 on a buzzer-beater by Tyler Griffey on Thursday night.

The senior forward took an inbounds pass with 0.9 seconds to play and made a wide-open layup. And, just like that, the Hoosiers — who moved into the top spot by beating then-No. 1 Michigan just a few days ago — went down.

Indiana coach Tom Crean, whose team has been No. 1 for a total of seven weeks this season after opening there, doesn't know why the top spot is suddenly so hard to hang on to.

"I can't answer that. I'm not sure," Crean said. "I just know that these games are 40-minute games. We played at a high level for most of the game."

The Hoosiers (20-3, 8-2 Big Ten) were in charge until the final 3 1/2 minutes when the Illini (16-8, 3-7 Big Ten) finally put together a run to take and then retake the lead.

"I know this: When we turn the ball over, we're not very good," Crean said. "And the biggest difference tonight was 28 points off turnovers to our 16."

Hoosiers guard Jordan Hulls said flatly that the top rank had nothing to do with Thursday's loss, even for a team that some worried might be looking past unranked, slumping Illinois to a meeting Sunday with No. 10 Ohio State.

"We just didn't execute when we needed to," he said.

If Indiana falls from No. 1 on Monday, No. 2 Florida might not be a candidate to replace the Hoosiers after the Gators' loss this week to Arkansas. That could put No. 3 Michigan back on top if they can make it to Monday without a loss.

For the Hoosiers, nothing could have been worse than the way Thursday's game ended.

With 0.9 seconds, Griffey left defenders Cody Zeller and Christian Watford behind on an inbounds play from the baseline, took the pass from Brandon Paul and delivered the uncontested buzzer-beater.

The shot sent hundreds of students onto the court, though they waited as officials checked the replay to make sure the clock hadn't beaten Griffey. Once the basket was upheld, Paul and fellow guard D.J. Richardson hugged and teared up in relief.

Illinois had endured an awful run since starting 12-0. The Illini had since lost eight of 11 and fallen to 10th in the 12-team Big Ten.

Griffey, who had struggled as bad as any Illini player, seemed surprised at how easily the winning shot came.

"I just made a simple curl cut and left two guys behind me, and Brandon got off a heck of a pass," he said. "Zeller and Watford were both right in front of me and just kind of stayed there."

Crean said the play was a lot like the other breakdowns in the Hoosiers' game that let Illinois climb back from a 12-point halftime deficit.

"We didn't communicate," he said.

Indiana's loss drops them into a three-way tie for first in the Big Ten with Michigan and Michigan State. The win moves the Illini up into a ninth-place tie with Iowa but, more importantly, provides a potential lifeline ahead of a meeting Sunday at No. 18 Minnesota.

"It was good to get back to having that toughness and togetherness and trust that we needed," Illinois coach John Groce said.

Illinois also added a plank to what may be one of the oddest resumes of any team in the country trying to make the NCAA tournament. Illinois has lost to Purdue, Northwestern and twice to Wisconsin. But coming into Thursday night, the Illini had already beaten three teams now in the top 15: No. 6 Gonzaga, No. 10 Ohio State and No. 14 Butler.

Before Thursday, Illinois hadn't beaten a No. 1 team since a win over Wake Forest in 2004.

Richardson had 23 points for Illinois, Paul had 21 and Griffey finished with 14 points and eight rebounds.

Zeller led Indiana with 14 points, while Will Sheehey had 13, Watford 12 and Hulls 11.

Indiana shot 50 percent from the field (25 of 50), 52.9 percent from 3-point range (9 of 17) and 93 percent from the free throw line (13 of 14). The Hoosiers led by an eight- to 10-point margin for most of the second half.

When 6-foot-11 Nnanna Egwu fouled out with just under 5 minutes to play, Indiana appeared in control. Watford made both free throws and, at 69-59, the Illini looked done.

But Richardson went on a one-man run, first burying back-to-back 3-pointers and then hitting a midrange jumper on the run to tie it at 70 with 1:17 to play.

With the clock under 30 seconds and the game tied at 72, Indiana had the ball for what would have been a last shot but Victor Oladipo coughed up the ball. Richardson picked it up and tried a breakaway layup that Oladipo just swatted out of bounds to set up the final play.

Groce credited Richardson for providing a spark.

"I thought he was absolutely terrific on both ends of the floor," Groce said. "He battled, he fought."

Griffey was benched several weeks ago after a blowout loss at Wisconsin. On a team that had lost its shooting touch, the senior forward had especially struggled. And, though one of Illinois' bigger players at 6-9, he wasn't adding much to the inside presence the Illini desperately needed.

Groce said that, even after he benched Griffey, he never gave up on him.

"I just have told him numerous times here I believe in him," the first-year Illinois coach said. "I do."

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The New Old Age: The Executor's Assistant

I’m serving as executor for my father’s estate, a role few of us are prepared for until we’re playing it, so I was grateful when the mail brought “The American Bar Association Guide to Wills and Estates” — the fourth edition of a handbook the A.B.A. began publishing in 1995.

This is a legal universe, I’m learning, in which every step — even with a small, simple estate that owes no taxes and includes no real estate or trusts — turns out to be at least 30 percent more complicated than expected.

If my dad had been wealthy or owned a business, or if we faced a challenge to his will, I would have turned the whole matter over to an estate lawyer by now. But even then, it would be helpful to know what the lawyer was talking about. The A.B.A. guide would help.

Written with surprising clarity (hey, they’re lawyers), it maps out all kinds of questions and decisions to consider and explains the many ways to leave property to one’s heirs. Updated from the third edition in 2009, the guide not only talks taxes and trusts, but also offers counsel for same-sex couples and unconventional families.

If you want to permit your second husband to live in the family home until he dies, but then guarantee that the house reverts to the children of your first marriage, the guide tells you how a “life estate” works. It explains what is taxable and what isn’t, and discusses how to choose executors and trustees. It lists lots of resources and concludes with an estate-planning checklist.

In general, the A.B.A. intends its guide for the person trying to put his or her affairs in order, more than for family members trying to figure out how to proceed after someone has died. But many of us will play both these parts at some point (and if you are already an executor, or have been, please tell us how that has gone, and mention your state). We’ll need this information.

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Paula Span is the author of “When the Time Comes: Families With Aging Parents Share Their Struggles and Solutions.”

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DealBook: Helping Start-Ups With Local Support and National Networks

When Will Fuentes planned an extended business trip to Seattle last year, he tapped into the local chapter of a national networking group there. Within hours, Mr. Fuentes, who founded the Arlington, Va., software company Lemur Retail, had secured a work space, introductions and even restaurant recommendations via the group, the Startup America Partnership.“Before I flew out there, I already had five or six meetings set up with potential clients and other key contacts, as well as one potential acquirer,” Mr. Fuentes said.

A couple of years ago, entrepreneurs would have needed several trips to make similar connections outside their own cities. Even in this era of social networks and venture conferences, start-ups are still surprisingly disconnected on a national level.

“Each region has its ties, but in many cases, entrepreneurs are operating in silos,” said Carolynn Duncan, the chief executive of Portland Ten, a mentoring program for early-stage companies, mainly in Oregon. “An entrepreneur in Oregon doesn’t have an easy way to network with entrepreneurs in Washington D.C.”

Startup America, a nonprofit organization with an all-star cast of deep-pocketed backers, is trying to bridge the gap. The organization, which was started in January 2011 as the brainchild of AOL’s co-founder, Steve Case, and the Ewing Marion Kauffman Foundation, wanted to bring a private-sector support to start-ups — without financial strings attached.

“Supporting start-ups throughout the country is the only way to make sure the American economy is firing on all cylinders,” said Mr. Case, who is the chairman of the partnership.

Start-ups are a crucial driver for job creation in the United States. From March 1994 to March 2010, businesses less than one year old created 3.9 million jobs a year on average, according to the Bureau of Labor Statistics, though that number has declined during the recent economic weakness.

The Small Business Administration and United States Chamber of Commerce have long been a resource for start-ups, but these government agencies have a broad mandate. There is a “growing recognition,” said Mr. Case, that high-growth start-ups — those with the potential to be national or international companies — have different needs and requirements than traditional small businesses.

Startup America’s initial focus was to provide support to start-ups through deals on goods and services, like 40 percent off FedEx shipping and free flights on American Airlines. But the group quickly realized that start-ups needed more practical help, like sharing best practices and networking.

Soon after the partnership’s start, entrepreneurs around the country starting contacting Startup America, asking how they could create their own networks and reach out to counterparts in other states. “Most of these regions were already coming up with their own initiatives or thinking about them,” said the organization’s chief executive, Scott Case, a founder and former chief technology officer of Priceline.com (and no relation to Steve Case). “We’re helping to stitch together all these parts.”

Taking cues from the entrepreneurs, Startup America has turned its attention to building such a network. Nearly 12,000 members are now affiliated with local Startup America initiatives in 30 states. The partnership expects to add another 10 states this year.

Each Startup America region is spearheaded by local “champions” who come together several times a year at national conferences, communicate via Google groups and have access to an online “idea center” where they can brainstorm about, say, bringing in outside capital or hosting a start-up conference. These envoys are all “founder types” at different stages of their careers, Scott Case said. “Some have exited companies and are looking to continue to feed that creative drive. Others understand that if they can strengthen their community, they can strengthen their own company.”

Brooks Bell, founder of an eponymous 22-employee digital consulting business based in Raleigh, N.C., became involved with the partnership in 2011 after realizing that many potential clients considered her area a backwater. “I realized that was impacting my company’s brand, too,” she said.

Mrs. Bell pointed out that other national groups, like Entrepreneurs’ Organizations, offer resources for high-growth companies. Yet, their emphasis is typically on supporting individuals rather than elevating the region and networking nationally. “They also tend to focus on early-stage companies,” she said. Until Startup America, she added, “there weren’t a lot of opportunities for early-stage companies to interact with funded companies.”

Though Startup America regions work off the same blueprint, each takes a slightly different approach. In Maryland, the staff and champions volunteer virtually. Startup Tennessee partnered with the Entrepreneur Center in Nashville, which runs a nonprofit incubator program. Startup Colorado works out of Silicon Flatirons, a center for law, technology and entrepreneurship at the University of Colorado Law School, and finds partners to finance specific projects.

Although the regional chapters operate independently, they benefit from the credibility of a national organization. “It’s helping elevate our start-ups nationally and get them in front of audiences we never would have,” said Andy Stoll, an entrepreneur in the Iowa City, Iowa, area, where rebuilding from the floods in 2008 has helped generate a boom in start-up activity.

“To have the opportunity to sit in a room with their board and have Steve Case ask me, ‘What are the three things that those of us at this table can do to really help support the Indiana community?’ is amazing and a humbling experience,” said Michael Coffey, a partner at DeveloperTown, an Indianapolis design and development firm that works with companies of all sizes.

In the end, it’s all about business.

Aaron Schwartz, a co-founder of the San Francisco-based Modify Watches, initially joined Startup America for the discounts. Now, he’s also tapping into the partnership to network, including finding corporate clients who order custom watches and vendors. “I now have a contact in Tennessee who has offered to look into manufacturing our watches there,” he said

Mr. Fuentes of Lemur Retail found two potential clients, both national chains, through his connections in Seattle last year; he’s currently in talks with those companies. He’s also helping his Northwest counterparts make inroads in the Washington area. He likens the experience to a fraternity or alumni organization of entrepreneurs.

“When people contact me from my high school or college, I pick up the phone,” he said. “This is no different.”

A version of this article appeared in print on 02/08/2013, on page B5 of the NewYork edition with the headline: Helping Start-Ups With Local Support and National Networks.

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Way of the World: Theorizing About Taxing High Earners

NEW YORK — Academics can be dismissive of the concerns of the popular media. But when it comes to the growth of the superrich, the tabloids may have gotten it right.

The numbers tell the story. According to a study by John Van Reenen of the London School of Economics and Brian Bell of Oxford University, the share of national income earned by the top 1 percent in the United States surged to 18.3 percent in 2007, from 8 percent in 1979. In Britain, the trend was almost identical: The top 1 percent received 15.4 percent of the national income in 2007 compared with 5.9 percent in 1979. And these figures exclude capital gains.

“A lot of the action has been at the very top end of the distribution, the top 1 percent or the top 0.1 percent,” Mr. Van Reenen, director of the Center for Economic Performance at the L.S.E., told me. “It shows you that the media’s focus on the very rich and on bankers’ bonuses wasn’t misplaced.”

But while much of the shift in income distribution has been at the apex of the pyramid, that is not where most academic research on rising income inequality has been focused.

If anything, Mr. Van Reenen said, academics “have tended to focus on the bottom of the distribution, much more than the top.”

Mr. Van Reenen and some like-minded colleagues have been working to fill that gap. Their efforts made it to the economic major leagues in January, when Mr. Van Reenen convened a panel discussion on extreme wage inequality at the prestigious annual get-together of the American Economic Association.

One of the most striking findings will probably give comfort to the plutocrats: In contrast to previous generations, the superrich today tend to have earned their fortunes rather than inherited them.

Steven Kaplan of the University of Chicago and Joshua Rauh of Stanford University in California studied Forbes magazine’s annual list of the 400 richest Americans. They found that in 1982, just 40 percent of these plutocrats had built their own businesses. By 2011, the superrich had gotten much richer — the combined wealth of the Forbes 400 was $92 billion in 1982 and had surged to $1.53 trillion by 2011 — and many more of them had, as the meme of the 2012 U.S. presidential election campaign had it, built it themselves: 69 percent.

“This isn’t the Downton Abbey rentier class,” explained Mr. Van Reenen, who has found a similar trend in Britain. “These incomes come from the labor market. You can say it is a triumph of the human capitalists over the physical capitalists.”

Among economists who study the surge in pay at the top, it is pretty much a truth universally acknowledged that taxes should rise at the summit, too. “Economics would suggest that when you have big increases in inequality, the top tax rate should rise,” Mr. Van Reenen said. “That seems very right and very reasonable.”

The impact and the structure of higher taxes for the rich are a more complicated and controversial issue. Timothy Besley and Maitreesh Ghatak, both of the London School of Economics, make a robust case for higher taxes on bankers’ bonuses. Their work is theoretical, but beyond the campus green, what may be particularly interesting is the way they frame the wider debate.

“Little undermines the case for a market economy more than the perception that there is injustice in the rewards that it generates,” they argue in a recent paper. “The greatest clamor for reform should come from those who support the market system.”

“We have shown that some form of bonus taxation in the financial sector is optimal above and beyond standard progressive income taxation,” they conclude. “We have identified a form of taxation that we believe makes the market system both fairer and more efficient.”

This robustly pro-market rationale for higher taxes on bankers, who like to think of themselves as the very embodiment of capitalism, is eye-catching, particularly for anyone who spends much time in the United States, where higher taxes and more efficient markets are usually portrayed as being anathema to one another.

Emmanuel Saez, an economist at the University of California, Berkeley, who is one of the pioneering students of incomes at the very top, has offered an even more provocative suggestion. At the American Economic Association meeting, he argued that when tax rates at the top are low, “top earners extract more pay at the expense of the 99 percent.” Higher tax rates for the rich, he suggested, “reduce the pretax income gap without hurting economic growth.”

This is a truly radical idea: that higher taxes at the top can reduce pretax inequality and not weaken the economy as a whole.

Outside the seminar room, however, these elegant ideas may run into political opposition intensified by the trends within the 1 percent that these same economists have documented.

“It may have a political effect,” Mr. Van Reenen said of the shift from inherited fortunes to self-made ones. “You feel you’ve earned it. This does make people more strongly inclined to resist taxation.”

Chrystia Freeland is editor of Thomson Reuters Digital.

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TCU shocks Kansas, 1st losing streak in 7 years

FORT WORTH, Texas (AP) — Kansas coach Bill Self's Big 12 bullies are suddenly beatable.

Even against the league newcomer that hadn't won a conference game.

The fifth-ranked Jayhawks have their first losing streak in more than seven years after trailing throughout in a 62-55 loss Wednesday night at TCU, which had never before beaten a top 5 team.

"It's not so much that we lost, it's just so much to me that we were kind of the bullies of the league, and we let people think they could whip us," Self said. "And when they did, everybody now thinks they can whip us."

Four days after an 85-80 home loss to Oklahoma State ended their nation-best 18-game overall winning streak and 33-game streak at Allen Fieldhouse, the Jayhawks went more than 7 minutes from the tip before finally scoring.

Kansas (19-3, 7-2 Big 12) had played 264 games in a row since January 2006 without consecutive losses, the longest active streak in Division I.

Against TCU (10-12, 1-8), the Jayhawks looked nothing like the team that has won or shared 12 of the league's 16 regular-season titles — and now has company at the top of the Big 12 standings with 13th-ranked Kansas State.

They trailed 22-13 at halftime on 3-of-22 shooting, the fewest points and field goals in a half since Kansas started keeping those records nearly 25 years ago.

"It was the worst team that Kansas ever put on the floor, since Dr. Naismith was there," Self said. "I think he had some bad teams when he lost to Topeka YMCA and things like that in the first couple years. But for the first half, there hasn't been a team play worse than that offensively."

Instead of a bounce-back win, Kansas had six turnovers and missed its first four shots before finally scoring 7:17 into the game. Ben McLemore's bounce pass to Jamari Traylor for a layup made it 8-2, but the Jayhawks then went 8 more minutes before making another field goal.

The Jayhawks finished 29.5 percent from the field (18 of 61), their worst in 514 games — since making only 15 of 51 shots (29.4 percent) against Kentucky on Dec. 1, 1998. It was their lowest-scoring game since also scoring 55 in an NCAA tournament loss to UCLA on March 24, 2007.

They made only 3-of-22 from 3-point range, including two in the final minute.

McLemore led Kansas with 15 points, 13 after halftime. Jeff Withey had 12 points and Naadir Tharpe 11.

"We knew going in that we would have to play extremely well, offensively, defensively, extremely hard, and they were going to have to help us out," said first-year TCU coach Johnson said. "When I said help us, obviously they missed a lot of shots they probably would make."

Garlon Green scored 20 points for the Horned Frogs, including five in a row after a late 17-4 Kansas spurt.

"It means a lot. Obviously we've had some tough years," said Green, a senior forward. "We've had a tough year right now, but this is a big win. We need to carry this momentum."

TCU played the first of three games in six days. The Frogs host fellow league newcomer West Virginia on Saturday and go to Oklahoma on Monday night.

Kansas, which plays at Oklahoma on Saturday, hasn't lost three games in a row since February 2005 — a stretch with games that went to overtime and double-overtime.

Tharpe scored nine points in a 2-minute span for Kansas, with a 3-pointer and six consecutive free throws, before a basket by Withey with 6:49 left got the Jayhawks within 44-40 — the closest they got after TCU's game-opening spurt.

After Tharpe missed a 3-pointer on a break, Adrick McKinney slung a pass inside to Green for a layup. McLemore, the Big 12's top freshman scorer, missed an open 3-pointer before Green had a three-point play to stretch the TCU lead back to 49-40.

"Everybody came to play today," said Connell Crossland, who had eight points and 15 rebounds for TCU. "I just saw everybody was ready (in warmups). That's when I knew it was going to be a good game. And we pulled it off."

The record sellout crowd of 7,412 fans in the Daniel-Meyer Coliseum included a large portion of loud Jayhawks fans, but they filed out quietly after this game while TCU students stormed the court to celebrate.

"All teams go through funks, but we're certainly in probably the worst funk that I've ever seen a Kansas team be in," Self said. "Just a bad, bad, bad night. Not a good team right now. ... This thing has turned on a dime and it could certainly continue to turn worse if we don't right the ship real soon."

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Well: Think Like a Doctor: A Confused and Terrified Patient

The Challenge: Can you solve the mystery of a middle-aged man recovering from a serious illness who suddenly becomes frightened and confused?

Every month the Diagnosis column of The New York Times Magazine asks Well readers to sift through a difficult case and solve a diagnostic riddle. Below you will find a summary of a case involving a 55-year-old man well on his way to recovering from a series of illnesses when he suddenly becomes confused and paranoid. I will provide you with the main medical notes, labs and imaging results available to the doctor who made the diagnosis.

The first reader to figure out this case will get a signed copy of my book, “Every Patient Tells a Story,” along with the satisfaction of knowing you solved a case of Sherlockian complexity. Good luck.

The Presenting Problem:

A 55-year-old man who is recovering from a devastating injury in a rehabilitation facility suddenly becomes confused, frightened and paranoid.

The Patient’s Story:

The patient, who was recovering from a terrible injury and was too weak to walk, had been found on the floor of his room at the extended care facility, raving that there were people out to get him. He was taken to the emergency room at the Waterbury Hospital in Connecticut, where he was diagnosed with a urinary tract infection and admitted to the hospital for treatment. Doctors thought his delirium was caused by the infection, but after 24 hours, despite receiving the appropriate antibiotics, the patient remained disoriented and frightened.

A Sister’s Visit:

The man’s sister came to visit him on his second day in the hospital. As she walked into the room she was immediately struck by her brother’s distress.

“Get me out of here!” the man shouted from his hospital bed. “They are coming to get me. I gotta get out of here!”

His brown eyes darted from side to side as if searching for his would-be attackers. His arms and legs shook with fear. He looked terrified.

For the past few months, the man had been in and out of the hospital, but he had been getting better — at least he had been improving the last time his sister saw him, the week before. She hurried into the bustling hallway and found a nurse. “What the hell is going on with my brother?” she demanded.

A Long Series of Illnesses:

Three months earlier, the patient had been admitted to that same hospital with delirium tremens. After years of alcohol abuse, he had suddenly stopped drinking a couple of days before, and his body was wracked by the sudden loss of the chemical he had become addicted to. He’d spent an entire week in the hospital but finally recovered. He was sent home, but he didn’t stay there for long.

The following week, when his sister hadn’t heard from him for a couple of days, she forced her way into his home. There she found him, unconscious, in the basement, at the bottom of his staircase. He had fallen, and it looked as if he may have been there for two, possibly three, days. He was close to death. Indeed, in the ambulance on the way to the hospital, his heart had stopped. Rapid action by the E.M.T.’s brought his heart back to life, and he made it to the hospital.

There the extent of the damage became clear. The man’s kidneys had stopped working, and his body chemistry was completely out of whack. He had a severe concussion. And he’d had a heart attack.

He remained in the intensive care unit for nearly three weeks, and in the hospital another two weeks. Even after these weeks of care and recovery, the toll of his injury was terrible. His kidneys were not working, so he required dialysis three times a week. He had needed a machine to help him breathe for so long that he now had to get oxygen through a hole that had been cut into his throat. His arms and legs were so weak that he could not even lift them, and because he was unable even to swallow, he had to be fed through a tube that went directly into his stomach.

Finally, after five weeks in the hospital, he was well enough to be moved to a short-term rehabilitation hospital to complete the long road to recovery. But he was still far from healthy. The laughing, swaggering, Harley-riding man his sister had known until that terrible fall seemed a distant memory, though she saw that he was slowly getting better. He had even started to smile and make jokes. He was confident, he had told her, that with a lot of hard work he could get back to normal. So was she; she knew he was tough.

Back to the Hospital:

The patient had been at the rehab facility for just over two weeks when the staff noticed a sudden change in him. He had stopped smiling and was no longer making jokes. Instead, he talked about people that no one else could see. And he was worried that they wanted to harm him. When he remained confused for a second day, they sent him to the emergency room.

You can see the records from that E.R. visit here.

The man told the E.R. doctor that he knew he was having hallucinations. He thought they had started when he had begun taking a pill to help him sleep a couple of days earlier. It seemed a reasonable explanation, since the medication was known to cause delirium in some people. The hospital psychiatrist took him off that medication and sent him back to rehab that evening with a different sleeping pill.

Back to the Hospital, Again:

Two days later, the patient was back in the emergency room. He was still seeing things that weren’t there, but now he was quite confused as well. He knew his name but couldn’t remember what day or month it was, or even what year. And he had no idea where he was, or where he had just come from.

When the medical team saw the patient after he had been admitted, he was unable to provide any useful medical history. His medical records outlined his earlier hospitalizations, and records from the nursing home filled in additional details. The patient had a history of high blood pressure, depression and alcoholism. He was on a long list of medications. And he had been confused for the past several days.

On examination, he had no fever, although a couple of hours earlier his temperature had been 100.0 degrees. His heart was racing, and his blood pressure was sky high. His arms and legs were weak and swollen. His legs were shaking, and his reflexes were very brisk. Indeed, when his ankle was flexed suddenly, it continued to jerk back and forth on its own three or four times before stopping, a phenomenon known as clonus.

His labs were unchanged from the previous visit except for his urine, which showed signs of a serious infection. A CT scan of the brain was unremarkable, as was a chest X-ray. He was started on an intravenous antibiotic to treat the infection. The thinking was that perhaps the infection was causing the patient’s confusion.

You can see the notes from that second hospital visit here.

His sister had come to visit him the next day, when he was as confused as he had ever been. He was now trembling all over and looked scared to death, terrified. He was certain he was being pursued.

That is when she confronted the nurse, demanding to know what was going on with her brother. The nurse didn’t know. No one did. His urinary tract infection was being treated with antibiotics, but he continued to have a rapid heart rate and elevated blood pressure, along with terrifying hallucinations.

Solving the Mystery:

Can you figure out why this man was so confused and tremulous? I have provided you with all the data available to the doctor who made the diagnosis. The case is not easy — that is why it is here. I’ll post the answer on Friday.

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Rules and Regulations: Post your questions and diagnosis in the comments section below.. The correct answer will appear Friday on Well. The winner will be contacted. Reader comments may also appear in a coming issue of The New York Times Magazine.

Correction: The patient’s eyes were brown, not blue.

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DealBook: K.K.R.'s Earnings Rise 22% on Investment Gains

Improving markets lifted the fortunes of Kohlberg Kravis Roberts in the fourth quarter, as the investment firm reported a 22 percent rise in profit.

K.K.R. said on Thursday that it earned $347.7 million for the quarter, as all of its businesses showed strong gains. For the year, the firm reported earning $2.1 billion.

The fourth-quarter profit, reported as economic net income and which includes unrealized gains from investments, comes out to 48 cents a share. That is more than double the 20-cents-a-share average of analyst estimates compiled by Capital IQ.

Private equity firms have benefited from an improvement in the markets, which have bolstered the value of their own holdings. Last week, the Blackstone Group reported a 43 percent increase in fourth-quarter earnings.

K.K.R. said the value of its investments rose 4 percent for the quarter and 24 percent for the year.

The strongest performers among the firm’s investments included Alliance Boots, a British pharmacy chain; HCA, the giant hospital operator that went public last year; and the Nielsen Company, the media measurement company.

The improved market conditions also make selling portfolio companies a more attractive prospect, letting the firms harvest tangible returns from their investments. That was reflected in K.K.R.’s results, as it reported a nearly fourfold increase in distributable earnings for the quarter, to $546.3 million. That metric tracks how much a firm actually pays to its limited partners.

And K.K.R.’s assets under management rose 13.9 percent from the third quarter, to $75.5 billion.

The firm’s co-founders and co-chairmen, Henry R. Kravis and George R. Roberts, said in a statement that the growth of their private equity portfolio outpaced the Standard & Poor’s 500-stock index by about 7 percent last year.

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