Can a Robot Clean Your Windows Better Than You Can?

Home robots like the Roomba and the Neato have legions of fans, myself included. They truly make vacuuming a snap. So could a window-washing robot that costs $ 300 do the same – and is it worth the money? The Winbot is coming to market this spring; to find out if it’s worth your hard-earned dollars, I test it out.

How It Works
The Winbot uses suction (in fact, it sounds like a powerful vacuum) to hold itself onto your windows. You plug it in and give it a base charge, but in addition, you run it plugged in to a socket. The internal battery is only there in case the power goes out – so it won’t lose suction while an alarm alerts you to the power outage.

There is a cleaning pad on the front, a squeegee in the center, and a drying pad on the back. You spray cleaning fluid on the front pad; they provide their own brand and strongly advise it over traditional cleaning fluids, which may have ammonia and which they say could damage the Winbot. Once the pads are dirty, you remove them (they affix with Velcro) and toss them in the washing machine.

The Winbot glides along the window, and when it bumps the frame, it turns itself around and edges up the window to eventually go back in the other direction, systematically cleaning in a series of horizontal lines. The higher end model also works on frameless surfaces like mirrors.

[Related: Stupid or Genius: Ten Craziest New Gadgets]

But How Well Does It Clean?
The Winbot did a good job cleaning the inside of my living room windows. It easily handled my kids fingerprints, spots, and general dirt. Outside it did an equally good job, but I did notice later that on a 5’ X 6’ window, it left two horizontal streaks the width of the window. The company says we probably had too much cleaning solution on the pad. They also suggested using the remote control to go back over any streaks and manually clear them. Overall, my hard-to-reach windows were cleaner than they’ve been in years.

For really serious dirty build-up on exterior windows, the company suggests giving a preliminary spray down or wash with a rag, letting it dry and then using the Winbot; the small pads can only handle so much dirt.

Is It Worth the Money?
$ 300 gets you the base model (which we tested), and $ 400 gets one that also works on frameless windows and mirrors, and has an extra extension cord for high windows.

For ordinary interior window washing, I’m not sold. It isn’t like a robotic vacuum cleaner where you set it and forget it. You have to spray the pads, place the device on each window, and then detach it to move it to the next window. You have to wash the pads and sometimes follow behind it to get rid of a streak here or there. But for really big and hard-to-reach windows, the Winbot made a lot of sense. It did a better job than I would have done on a ladder. And if I regularly had to pay someone to reach those high windows, the Winbot would pay for itself very quickly.

[Related: Worst Ways to Clean Your TV]

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Goodell: 'Absolutely' would let son play football

NEW ORLEANS (AP) — NFL Commissioner Roger Goodell says he "absolutely" would want his own child to play football.

After President Barack Obama said he'd "have to think long and hard" about allowing a son to take part in the sport, Goodell was asked the same question hours before Sunday's Super Bowl during an interview on CBS's "Face the Nation."

Like the president, Goodell has two daughters. The commissioner deflected the question about allowing a son to play football by noting the high incidence of concussions in girls soccer.

Goodell declined to confirm that there is a proven connection between the sport and medical problems in retired players. He emphasized that the NFL is funding research to learn more about the risks.

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Concerns About A.D.H.D. Practices and Amphetamine Addiction

Before his addiction, Richard Fee was a popular college class president and aspiring medical student. "You keep giving Adderall to my son, you're going to kill him," said Rick Fee, Richard's father, to one of his son's doctors.

VIRGINIA BEACH — Every morning on her way to work, Kathy Fee holds her breath as she drives past the squat brick building that houses Dominion Psychiatric Associates.

Matt Eich for The New York Times

MENTAL HEALTH CLINIC Dominion Psychiatric Associates in Virginia Beach, where Richard Fee was treated by Dr. Waldo M. Ellison. After observing Richard and hearing his complaints about concentration, Dr. Ellison diagnosed attention deficit hyperactivity disorder and prescribed the stimulant Adderall.

It was there that her son, Richard, visited a doctor and received prescriptions for Adderall, an amphetamine-based medication for attention deficit hyperactivity disorder. It was in the parking lot that she insisted to Richard that he did not have A.D.H.D., not as a child and not now as a 24-year-old college graduate, and that he was getting dangerously addicted to the medication. It was inside the building that her husband, Rick, implored Richard’s doctor to stop prescribing him Adderall, warning, “You’re going to kill him.”

It was where, after becoming violently delusional and spending a week in a psychiatric hospital in 2011, Richard met with his doctor and received prescriptions for 90 more days of Adderall. He hanged himself in his bedroom closet two weeks after they expired.

The story of Richard Fee, an athletic, personable college class president and aspiring medical student, highlights widespread failings in the system through which five million Americans take medication for A.D.H.D., doctors and other experts said.

Medications like Adderall can markedly improve the lives of children and others with the disorder. But the tunnel-like focus the medicines provide has led growing numbers of teenagers and young adults to fake symptoms to obtain steady prescriptions for highly addictive medications that carry serious psychological dangers. These efforts are facilitated by a segment of doctors who skip established diagnostic procedures, renew prescriptions reflexively and spend too little time with patients to accurately monitor side effects.

Richard Fee’s experience included it all. Conversations with friends and family members and a review of detailed medical records depict an intelligent and articulate young man lying to doctor after doctor, physicians issuing hasty diagnoses, and psychiatrists continuing to prescribe medication — even increasing dosages — despite evidence of his growing addiction and psychiatric breakdown.

Very few people who misuse stimulants devolve into psychotic or suicidal addicts. But even one of Richard’s own physicians, Dr. Charles Parker, characterized his case as a virtual textbook for ways that A.D.H.D. practices can fail patients, particularly young adults. “We have a significant travesty being done in this country with how the diagnosis is being made and the meds are being administered,” said Dr. Parker, a psychiatrist in Virginia Beach. “I think it’s an abnegation of trust. The public needs to say this is totally unacceptable and walk out.”

Young adults are by far the fastest-growing segment of people taking A.D.H.D medications. Nearly 14 million monthly prescriptions for the condition were written for Americans ages 20 to 39 in 2011, two and a half times the 5.6 million just four years before, according to the data company I.M.S. Health. While this rise is generally attributed to the maturing of adolescents who have A.D.H.D. into young adults — combined with a greater recognition of adult A.D.H.D. in general — many experts caution that savvy college graduates, freed of parental oversight, can legally and easily obtain stimulant prescriptions from obliging doctors.

“Any step along the way, someone could have helped him — they were just handing out drugs,” said Richard’s father. Emphasizing that he had no intention of bringing legal action against any of the doctors involved, Mr. Fee said: “People have to know that kids are out there getting these drugs and getting addicted to them. And doctors are helping them do it.”

“...when he was in elementary school he fidgeted, daydreamed and got A’s. he has been an A-B student until mid college when he became scattered and he wandered while reading He never had to study. Presently without medication, his mind thinks most of the time, he procrastinated, he multitasks not finishing in a timely manner.”

Dr. Waldo M. Ellison

Richard Fee initial evaluation

Feb. 5, 2010

Richard began acting strangely soon after moving back home in late 2009, his parents said. He stayed up for days at a time, went from gregarious to grumpy and back, and scrawled compulsively in notebooks. His father, while trying to add Richard to his health insurance policy, learned that he was taking Vyvanse for A.D.H.D.

Richard explained to him that he had been having trouble concentrating while studying for medical school entrance exams the previous year and that he had seen a doctor and received a diagnosis. His father reacted with surprise. Richard had never shown any A.D.H.D. symptoms his entire life, from nursery school through high school, when he was awarded a full academic scholarship to Greensboro College in North Carolina. Mr. Fee also expressed concerns about the safety of his son’s taking daily amphetamines for a condition he might not have.

“The doctor wouldn’t give me anything that’s bad for me,” Mr. Fee recalled his son saying that day. “I’m not buying it on the street corner.”

This article has been revised to reflect the following correction:

Correction: February 3, 2013

An earlier version of a quote appearing with the home page presentation of this article misspelled the name of a medication. It is Adderall, not Aderall.

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Iceland, Prosecutor of Bankers, Sees Meager Returns

Ilvy Njiokiktjien for The New York Times

"Greed is not a crime. But the question is: where does greed lead?" said Olafur Hauksson, a special prosecutor in Reykjavik.

REYKJAVIK, Iceland — As chief of police in a tiny fishing town for 11 years, Olafur Hauksson developed what he thought was a basic understanding of the criminal mind. The typical lawbreaker, he said, recalling his many encounters with small-time criminals, “clearly knows that he crossed the line” and generally sees “the difference between right and wrong.”

Today, the burly, 48-year-old former policeman is struggling with a very different sort of suspect. Reassigned to Reykjavik, the Icelandic capital, to lead what has become one of the world’s most sweeping investigation into the bankers whose actions contributed to the global financial crisis in 2008, Mr. Hauksson now faces suspects who “are not aware of when they crossed the line” and “defend their actions every step of the way.”

With the global economy still struggling to recover from the financial maelstrom five years ago, governments around the world have been criticized for largely failing to punish the bankers who were responsible for the calamity. But even here in Iceland, a country of just 320,000 that has gone after financiers with far more vigor than the United States and other countries hit by the crisis, obtaining criminal convictions has proved devilishly difficult.

Public hostility toward bankers is so strong in Iceland that “it is easier to say you are dealing drugs than to say you’re a banker,” said Thorvaldur Sigurjonsson, the former head of trading for Kaupthing, a once high-flying bank that crumbled. He has been called in for questioning by Mr. Hauksson’s office but has not been charged with any wrongdoing.

Yet, in the four years since the Icelandic Parliament passed a law ordering the appointment of an unnamed special prosecutor to investigate those blamed for the country’s spectacular meltdown in 2008, only a handful of bankers have been convicted.

Ministers in a left-leaning coalition government elected after the crash agree that the wheels of justice have ground slowly, but they call for patience, explaining that the process must follow the law, not vengeful passions.

“We are not going after people just to satisfy public anger,” said Steingrimur J. Sigfusson, Iceland’s minister of industry, a former finance minister and leader of the Left-Green Movement that is part of the governing coalition.

Hordur Torfa, a popular singer-songwriter who helped organize protests that forced the previous conservative government to resign, acknowledged that “people are getting impatient” but said they needed to accept that “this is not the French Revolution. I don’t believe in taking bankers out and hanging them or shooting them.”

Others are less patient. “The whole process is far too slow,” said Thorarinn Einarsson, a left-wing activist. “It only shows that ‘banksters’ can get away with doing whatever they want.”

Mr. Hauksson, the special prosecutor, said he was frustrated by the slow pace but thought it vital that his office scrupulously follow legal procedure. “Revenge is not something we want as our main driver in this process. Our work must be proper today and be seen as proper in the future,” he said.

Part of the difficulty in prosecuting bankers, he said, is that the law is often unclear on what constitutes a criminal offense in high finance. “Greed is not a crime,” he noted. “But the question is: where does greed lead?”

Mr. Hauksson said it was often easy to show that bankers violated their own internal rules for lending and other activities, but “as in all cases involving theft or fraud, the most difficult thing is proving intent.”

And there are the bankers themselves. Those who have been brought in for questioning often bristle at being asked to account for their actions. “They are not used to being questioned. These people are not used to finding themselves in this situation,” Mr. Hauksson said. They also hire expensive lawyers.

The special prosecutor’s office initially had only five staff members but now has more than 100 investigators, lawyers and financial experts, and it has relocated to a big new office. It has opened about 100 cases, with more than 120 people now under investigation for possible crimes relating to an Icelandic financial sector that grew so big it dwarfed the rest of the economy.

To help ease Mr. Hauksson’s task, legislators amended the law to allow investigators easy access to confidential bank information, something that previously required a court order.

Parliament also voted to put the country’s prime minister at the time of the banking debacle on trial for negligence before a special tribunal. (A proposal to try his cabinet failed.) Mr. Hauksson was not involved in the case against the former leader, Geir H. Haarde, who last year was found guilty of failing to keep ministers properly informed about the 2008 crisis but was acquitted on more serious charges that could have resulted in a prison sentence.

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India Ink: Five Accused in New Delhi Gang Rape Case Plead Not Guilty

The five men accused in a brutal  gang rape that led to nationwide protests entered not guilty pleas on Saturday to the 13 charges filed against them.

The charges  —  including gang rape, murder, kidnapping and conspiracy  —  stem from the Dec. 16 rape of a 23-year-old physiotherapy student who later died from her injuries. Reports of the attack led to days of protests in India over the treatment of women.

A trial for the five suspects  —  Ram Singh, Mukesh Singh, Pawan Gupta, Vinay Sharma and Akshay Thakur  — is scheduled to begin Tuesday in Saket District Court Complex in New Delhi.

V.K. Anand, defense counsel for the brothers Ram Singh and Mukesh Singh, said in a telephone interview that “All the five accused have pleaded not guilty.”

“The charges being framed is one thing,” Mr. Anand said,  “but proving the charges is another.”

Pretrial arguments for the five suspects were completed on Wednesday. On Monday, the sixth suspect was declared officially a juvenile by the Indian Juvenile Justice Board, meaning the maximum sentence he could receive is three years in a detention facility.

If they are convicted, the five on trial could face the death penalty. The Supreme Court dismissed a plea to transfer the New Delhi gang rape trial outside the city on Tuesday. The trial, which is being carefully watched by the country, has brought about renewed debate on the challenges facing the Indian legal system.

According to the local news channel IBN Live, 86 witnesses will appear at the trial.

Pamposh Raina contributed to this post.

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Sony Teases ‘The Future’ of PlayStation in Short #PlayStation2013 Video

Sony‘s CEO, Kazuo Hirai, said he would let Microsoft “make the first move” when it came to releasing a next-generation game console, according to IGN’s Daniel Krupa. But now the official PlayStation blog is teasing viewers with a video entitled “See the Future,” with the #PlayStation2013 Twitter hashtag.

Whatever the future is, it’s apparently got something to do with Feb. 20, the date mentioned in the video. But when it gets here, what will it be like?

PlayStation2013 probably isn’t the actual name

Previous rumors have suggested the next PlayStation console won’t be called the PlayStation 4, because the number 4 is associated with death in Japanese culture. If Sony’s willing to break with its numbering scheme because of tradition, it may be unlikely to tag the actual new PlayStation console itself with the number 13, which is regarded as unlucky in the United States.

Much more powerful hardware

This one’s a given. Unlike in the PC and tablet gaming world, where hardware is regularly updated and improvements tend to be incremental, video game consoles tend to wait years to update before leaping ahead — if you don’t count the two smaller redesigns the PS3 has had over the years while keeping the same performance, anyway, or the introduction of the PlayStation Move controller.

The PlayStation 3‘s big performance draw was its ability to play games on an HDTV, with an upgrade to graphics realism to match. A report by Kotaku’s Luke Plunkett last year suggests that the new PlayStation console may be able to play 3D games (on a 3D HDTV, that is) in 1080p resolution, or regular games in 4096×2160. The latter would basically require a TV as sharp as Apple’s Retina Display.

Far fewer games?

The same report, however, suggests that — as Sony eventually did with the PlayStation 3 — the “PlayStation 4″ may not be able to play any games from the previous generation of consoles.

The PlayStation 3 debuted with the ability to run PlayStation 2 games, but this required it to have both of the PS2′s processor chips inside it. This console-within-a-console design helped push the PS3′s launch price up to $ 599, and Sony soon dropped one of the chips before abandoning them completely. Today’s PlayStation 3 consoles can only play the handful of PS2 games that have been re-released digitally (and are bought separately) on the PlayStation Network.

No place like Home

If the new PlayStation console can’t run PS3 games, that may mean the end of PlayStation Home, Sony’s virtual world and social gaming platform in the style of Second Life (but with Facebook-style games). IGN’s Andrew Goldfarb notes that Sony recently filed a trademark on “BigFest,” however, which it describes as an “online player networking” service in similar terms as PlayStation Home.

Jared Spurbeck is an open-source software enthusiast, who uses an Android phone and an Ubuntu laptop PC. He has been writing about technology and electronics since 2008.

Linux/Open Source News Headlines – Yahoo! News

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NFL's Goodell aims to share blame on player safety

NEW ORLEANS (AP) — NFL Commissioner Roger Goodell wants to share the blame.

"Safety," he said at his annual Super Bowl news conference, "is all of our responsibilities."

Not surprisingly, given that thousands of former players are suing the league about its handling of concussions, the topics of player health and improved safety dominated Goodell's 45-minute session Friday. And he often sounded like someone seeking to point out that players or others are at fault for some of the sport's problems — and need to help fix them.

"I'll stand up. I'll be accountable. It's part of my responsibility. I'll do everything," Goodell said. "But the players have to do it. The coaches have to do it. Our officials have to do it. Our medical professionals have to do it."

Injuries from hits to the head or to the knees, Goodell noted, can result from improper tackling techniques used by players and taught by coaches. The NFL Players Association needs to allow testing for human growth hormone to go forward so it can finally start next season, which Goodell hopes will happen. He said prices for Super Bowl tickets have soared in part because fans re-sell them above face value.

And asked what he most rues about the New Orleans Saints bounty investigation — a particularly sensitive issue around these parts, of course — Goodell replied: "My biggest regret is that we aren't all recognizing that this is a collective responsibility to get (bounties) out of the game, to make the game safer. Clearly the team, the NFL, the coaching staffs, executives and players, we all share that responsibility. That's what I regret, that I wasn't able to make that point clearly enough with the union."

He addressed other subjects, such as a "new generation of the Rooney Rule" after none of 15 recently open coach or general manager jobs went to a minority candidate, meaning "we didn't have the outcomes we wanted"; using next year's Super Bowl in New Jersey as a test for future cold-weather, outdoor championship games; and saying he welcomed President Barack Obama's recent comments expressing concern about football's violence because "we want to make sure that people understand what we're doing to make our game safer."

Also:

— New Orleans will not get back the second-round draft pick Goodell stripped in his bounty ruling;

— Goodell would not give a time frame for when the NFL could hold a game in Mexico;

— next season's games in London — 49ers-Jaguars and Steelers-Vikings — are sellouts.

Goodell mentioned some upcoming changes, including the plan to add independent neurologists to sidelines to help with concussion care during games — something players have asked for and the league opposed until now.

"The No. 1 issue is: Take the head out of the game," Goodell said. "I think we've seen in the last several decades that players are using their head more than they had when you go back several decades."

He said one tool the league can use to cut down on helmet-to-helmet hits is suspending players who keep doing it.

"We're going to have to continue to see discipline escalate, particularly on repeat offenders," Goodell said. "We're going to have to take them off the field. Suspension gets through to them."

The league will add "expanded physicals at the end of each season ... to review players from a physical, mental and life skills standpoint so that we can support them in a more comprehensive fashion," Goodell said.

With question after question about less-than-light matters, one reporter drew a chuckle from Goodell by asking how he's been treated this week in a city filled with supporters of the Saints who are angry about the way the club was punished for the bounty system the NFL said existed from 2009-11.

"My picture, as you point out, is in every restaurant. I had a float in the Mardi Gras parade. We got a voodoo doll," Goodell said.

But he added that he can "appreciate the passion" of the fans and, actually, "couldn't feel more welcome here."

___

Follow Howard Fendrich on Twitter at http://twitter.com/HowardFendrich

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Ferrol Sams, Doctor Turned Novelist, Dies at 90

Ferrol Sams, a country doctor who started writing fiction in his late 50s and went on to win critical praise and a devoted readership for his humorous and perceptive novels and stories that drew on his medical practice and his rural Southern roots, died on Tuesday at his home in Lafayette, Ga. He was 90.

The cause, said his son Ferrol Sams III, also a doctor, was that he was “slap wore out.”

“He lived a full life,” his son said. “He didn’t leave anything in the tank.”

Dr. Sams grew up on a farm in the rural Piedmont area of Georgia, seven mud-road miles from the nearest town. He was a boy during the Depression; books meant escape and discovery. He read “Robinson Crusoe,” then Mark Twain and Charles Dickens. One of his English professors at Mercer University, in Macon, suggested he consider a career in writing, but he chose another route to examining the human condition: medical school.

When he was 58 — after he had served in World War II, started a medical practice with his wife, raised his four children and stopped devoting so much of his mornings to preparing lessons for Sunday school at the Methodist church — he began writing “Run With the Horsemen,” a novel based on his youth. It was published in 1982.

“In the beginning was the land,” the book begins. “Shortly thereafter was the father.”

In The New York Times Book Review, the novelist Robert Miner wrote, “Mr. Sams’s approach to his hero’s experiences is nicely signaled in these two opening sentences.”

He added: “I couldn’t help associating the gentility, good-humored common sense and pace of this novel with my image of a country doctor spinning yarns. The writing is elegant, reflective and amused. Mr. Sams is a storyteller sure of his audience, in no particular hurry, and gifted with perfect timing.”

Dr. Sams modeled the lead character in “Run With the Horsemen,” Porter Osborne Jr., on himself, and featured him in two more novels, “The Whisper of the River” and “When All the World Was Young,” which followed him into World War II.

Dr. Sams also wrote thinly disguised stories about his life as a physician. In “Epiphany,” he captures the friendship that develops between a literary-minded doctor frustrated by bureaucracy and a patient angry over past racism and injustice.

Ferrol Sams Jr. was born Sept. 26, 1922, in Woolsey, Ga. He received a bachelor’s degree from Mercer in 1942 and his medical degree from Emory University in 1949. In his addition to his namesake, survivors include his wife, Dr. Helen Fletcher Sams; his sons Jim and Fletcher; a daughter, Ellen Nichol; eight grandchildren; and nine great-grandchildren.

Some critics tired of what they called the “folksiness” in Dr. Sams’s books. But he did not write for the critics, he said. In an interview with the Georgia Writers Hall of Fame, Dr. Sams was asked what audience he wrote for. Himself, he said.

“If you lose your sense of awe, or if you lose your sense of the ridiculous, you’ve fallen into a terrible pit,” he added. “The only thing that’s worse is never to have had either.”

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Media Decoder Blog: In Wake of Restructuring, NBC News President Quits

8:30 p.m. | Updated

The longest-serving president of any of the three network news divisions, Steve Capus of NBC News, stepped down from his position on Friday, six months after Comcast restructured its news units in a way that diminished his authority.

Pat Fili-Krushel, chairwoman of the NBCUniversal News Group, said in a brief telephone interview on Friday that she would “cast a wide net” while searching for a successor to Mr. Capus. In the interim, the leaders of the news division will report directly to her.

Ms. Fili-Krushel became Mr. Capus’s boss last July when Steve Burke, the chief executive of NBCUniversal, consolidated all of NBC’s news units — NBC News, the cable news channels MSNBC and CNBC, and its stake in the Weather Channel — under a new umbrella, the NBCUniversal News Group. Mr. Burke asked Ms. Fili-Krushel, one of his most trusted lieutenants, to run it, while keeping Mr. Capus and the heads of the other units in place.

Ms. Fili-Krushel worked early in her career at HBO and Lifetime. A veteran of the Walt Disney Company, where she helped program ABC, and  Time Warner, where she was an administrator, she is by her own admission not a journalist.  But now she is, by default, the highest-ranking woman in the American television news industry — not just at the moment, but in the history of the medium. The heads of the news divisions at ABC and CBS are men, as are the heads of the Fox News Channel, CNN, and Bloomberg.

Ms. Fili-Krushel has kept a low public profile, but has been a forceful presence behind the scenes, recently moving from her office on the 51st floor of 30 Rockefeller Center, near Mr. Burke’s, to a new one on the third floor, where NBC News is based. On Friday, she said she had spent her first six months “learning, listening and getting to know the players here.” She called the News Group an “unbelievably strong organization.”

Though Mr. Capus’s exit saddened many at NBC News on Friday, it came as little surprise. He had previously reported directly to Mr. Burke, but after the restructuring he reported to Ms. Fili-Krushel, and he made no secret of his unhappiness with the change. His contract had a clause that allowed him to leave in the event that he no longer reported to Mr. Burke, according to two people with direct knowledge of the arrangement at NBC, and he decided to exercise that right after months of contemplation. The people insisted on anonymity because they were not authorized by the network to speak publicly.

Mr. Capus told Ms. Fili-Krushel of his intent to leave last Friday. It is likely that he would have left sooner, but a series of major news stories kept him busy late last year — including Hurricane Sandy, the presidential election and the school shooting in Newtown, Conn. Mr. Capus also oversaw the network’s response to the kidnapping of Richard Engel and an NBC News crew in Syria last month.

“It has been a privilege to have spent two decades here, but it is now time to head in a new direction,” he wrote in an e-mail to staff members on Friday afternoon.

Mr. Capus guided NBC through a revolutionary time in news-gathering and distribution. He maintained the news division’s profitability, managed tensions between NBC News and its increasingly liberal cable channel MSNBC, and fostered new business ventures like an in-house production company and an annual education summit. Last year, he unwound an old deal with Microsoft to give the news division complete control over its Web site, now named NBCNews.com, for the first time.

Ms. Fili-Krushel wrote in a separate e-mail to staff members that “NBC News is America’s leading source of television news and Steve has been a big part of that success.”

NBC News is the producer of the most popular evening newscast in the country. But its single biggest source of profits, the morning show “Today,” fell to second place last year, behind ABC’s “Good Morning America,” for the first time since the 1990s. The decline caused widespread anxiety inside the news division and speculation that Mr. Capus would be relieved of his duties.

Inside NBC, both Mr. Capus and the executive producer of “Today,” Jim Bell, received much of the blame for the botched removal of Ann Curry from “Today” last June, which worsened the show’s already tenuous position in the ratings. Ms. Fili-Krushel was put in charge just a few weeks later.

Mr. Bell was replaced at “Today” last fall and is now the executive producer for NBC Olympics. Savannah Guthrie is now the co-host of “Today,” and Ms. Curry is a national and international correspondent for the network, but is rarely seen. Mr. Capus’s exit was seen by some at the network as the last shoe that had to drop.

In his e-mail to staff members, Mr. Capus called it an “extremely difficult decision to walk away,” noting that he started at NBC as a producer 20 years ago this month. He did not make any mention of what he would do next. “Journalism is, indeed, a noble calling, and I have much I hope to accomplish in the next phase of my career,” he wrote.

“Today” continues to lose to ABC’s “Good Morning America” among total viewers, but lately it has won a few weeks in the 25- to 54-year-old demographic that advertisers covet.

“NBC Nightly News” has more successfully fended off ABC’s “World News,” despite an aggressive push by ABC. Mr. Capus said, “NBC News has grown in all key metrics — from ratings and reputation to profitability.”

A version of this article appeared in print on 02/02/2013, on page B2 of the NewYork edition with the headline: In Wake of Restructuring, NBC News President Quits.

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Suicide Bomber Attacks Mosque in Pakistan

Abdul Basit/Associated Press

People gathered at the scene of the explosion in a market in northwestern Pakistan on Friday.

PESHAWAR, Pakistan — An explosion in a market in northwestern Pakistan on Friday killed at least 21 people and wounded 33 in what police described as a suicide bombing.

The Pakistani Taliban claimed responsibility for the attack in Hangu, about 70 miles west of Peshawar, the capital of Khyber-Pakhtunkhwa Province. Abu Omar, a Taliban commander in the neighboring tribal region of North Waziristan, said in a telephone interview that the attack was in revenge for the killing on Thursday of a Sunni cleric.

The cleric, Mufti Abdul Majeed Deenpuri, 60, was shot in the southern port city of Karachi, setting off fears of reprisals against Shiites.

Mr. Deenpuri was a senior teacher at Jamia Binoria, one of the largest seminaries in Pakistan. A gunman opened fire on a vehicle carrying the cleric and a colleague at a busy intersection and then fled.

While the security situation is precarious across Pakistan, Rehman Malik, the interior minister, had warned of the potential for an attack in Karachi, a sprawling, violence-prone port city. Cellphone service was suspended there from noon to 3 p.m. during Friday Prayer.

Sectarian violence has also occurred in Hangu in the past, often forcing the authorities to impose a curfew. The town borders the Orakzai tribal region, where the army and paramilitary forces are fighting Taliban militants.

Friday’s explosion occurred just after Friday Prayer as worshipers filed out of a Sunni mosque and a nearby Shiite place of worship, police officials said. “People were coming out of the mosque when the explosion occurred,” said one officer in Hangu, speaking on the condition of anonymity.

Another police official in Hangu said a suicide bomber had detonated his explosives. While Shiites were the likely target, the dead included people from both Islamic sects, he said. “There are Sunnis and Shias killed.”

Separately, a Pakistani intelligence official, speaking on the condition of anonymity, said 30 mortar shells fired from Afghanistan on Friday morning killed six residents of Angoor Adda, a border village in South Waziristan. However, there was no official comment from the Pakistani military. 

In recent years, Pakistan and Afghanistan have traded barbs over allegations of cross border rocket and artillery fire. The 1,510 mile long craggy border between the two countries has long posed a problem for both sides, each accusing the other of not manning the border effectively. Both sides maintain that insurgents easily cross over the porous border, but plans to fence the border have been shot down as impractical.

On Thursday, Human Rights Watch released its World Report 2013, which sharply criticized the Pakistani government and its military and intelligence agencies for failing to reduce human rights abuses.

“Pakistan’s human rights crisis worsened markedly in 2012 with religious minorities bearing the brunt of killings and repression,” said Ali Dayan Hasan, the director in Pakistan for Human Rights Watch. “While the military continued to perpetrate abuses with impunity in Baluchistan and beyond, Sunni extremists killed hundreds of Shia Muslims and the Taliban attacked schools, students, and teachers.”

Ismail Khan reported from Peshawar, and Salman Masood from Islamabad, Pakistan. Ihsanullah Tipu Mehsud contributed reporting from Islamabad.

This article has been revised to reflect the following correction:

Correction: February 1, 2013

Because of an editing error, an earlier version of this article misidentified the capital of Khyber-Pakhtunkhwa Province. It is Peshawar, not Hangu.

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