Senate Passes Russian Trade Bill, With Conditions

The Senate voted on Thursday to finally eliminate cold war-era trade restrictions on Russia, but at the same time it condemned Moscow for human rights abuses, threatening to further strain an already fraught relationship with the Kremlin.

The Senate bill, which passed the House of Representatives last month, now goes to President Obama, who has opposed turning a trade bill into a statement on the Russian government’s treatment of its people.

But with such overwhelming support in Congress – the measure passed the Senate 92 to 4 and the House 365 to 43 – the White House has had little leverage to press its case.

And President Obama has shown little desire to pick a fight in which he would appear to be siding with the Russians on such a delicate issue.

Speaking to reporters shortly after the Senate vote, Jay Carney, the White House press secretary, said the president was committed to signing the bill.

The most immediate effect of the bill will be to formally normalize trade relations with Russia after nearly 40 years. Since the 1970s, commerce between Russia and the United States has been subject to restrictions that were designed to punish Communist nations that refused to allow their citizens to leave freely.

While presidents have waived the restrictions since the cold war ended — allowing them to remain on the books as a symbolic sore point with the Russians — the issue took on new urgency this summer after Russia joined the World Trade Organization. American businesses can take advantage of lower trade tariffs only with nations that enjoy normalized trade status

By some estimates, trade with Russia is expected to double after the limits are lifted.

But another effect of the bill – and one that has Russian officials furious with Washington – will be to require that the federal government freeze the assets of Russians implicated in human rights abuses and to deny them visas.

Lawmakers on Capitol Hill were inspired to attach those provisions to the trade legislation because of the case of Sergei L. Magnitsky, a Russian lawyer who was tortured and died in prison in 2009 after he exposed a government tax fraud scheme.

During the Senate debate, it was Mr. Magnitsky’s case, and not Russia’s trade status, that occupied most of the time.

One by one, Democratic and Republican senators alike rose to denounce Russian officials for their disregard for basic freedoms.

“This culture of impunity in Russia has been growing worse and worse,” said Senator John McCain, an Arizona Republican. “There are still many people who look at the Magnitsky Act as anti-Russia. I disagree,” he added. “Ultimately passing this legislation will place the United States squarely on the side of the Russian people and the right side of Russian history, which appears to be approaching a crossroads.”

Russian officials denounced the Senate vote.

“This initiative is intended to restrict the rights of Russian citizens, which we consider completely unjust and baseless,” said Konstantin Dolgov, the Russian foreign ministry’s human rights envoy, in comments to the Interfax news agency in Brussels. “This is an attempt to interfere in our internal affairs, in the authority of Russia’s investigative and judicial organs, which continue to investigate the Magnitsky case.”

Initially there was pressure on the Senate to pass a bill that punished human rights violators from all nations, not just those who are Russian. But the House bill applied only to Russia. And the Senate followed suit, as supporters of the bill wanted something that could pass quickly and without requiring a complicated back-and-forth with the House.

Ellen Barry contributed reporting from Moscow.

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Dave Brubeck, jazz legend, dies at 91

Dave Brubeck, the jazz pianist, composer and bandleader behind the legendary Dave Brubeck Quartet, has died at age 91.

The death of Brubeck, whose quartet performed “Take Five,” which became a jazz standard and the bestselling jazz single of all time, was confirmed Wednesday by the Associated Press. Brubeck would have turned 92 Thursday.

According to the AP, Brubeck died of heart failure after being stricken while on the way to a cardiologist's  appointment in Connecticut.

Photos: Dave Brubeck | 1920 - 2012

Brubeck, born Dec. 6, 1920, in Concord, Calif., was the son of a cattle rancher. His mother was a classically trained pianist. Although he studied zoology at the College of the Pacific in Stockton, he came to love the music department. While serving in the Army during World War II, Brubeck formed the band the Wolfpack.  After the war in the Bay Area he experimented with music groups and styles.

In 1951 he and alto saxophonist Paul Desmond created what would become one of the most popular acts of West Coast jazz, the Dave Brubeck Quartet. The quartet's most famous piece was "Take Five," composed by Desmond, from the 1959 release "Time Out.

During his career, Brubeck also created standards such as "The Duke" and "In Your Own Sweet Way."

In a 2010 article on the occasion of Brubeck's 90th birthday, the Los Angeles Times interviewed the jazz legend and noted that although jazz may not occupy the center of the musical universe, even people who know little, if anything, about jazz know of Brubeck:

"Through more than 60 years of recordings and performances at colleges, concert halls, festivals and nightclubs all over the world, Brubeck put forth a body of work — as pianist, composer and bandleader — that is as accessible as it is ingenious, as stress-free as it is rhythmically emphatic, as open-hearted as it is wide-ranging."

Details of Brubeck's death coming soon at the Los Angeles Times.

[For the record 10:42 a.m. Dec. 5: An earlier version of this post credited Dave Brubeck with composing "Take Five." The work was composed by Paul Desmond. Thanks to Lincoln Harrison of CSUN for pointing it out.]

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240-Million-Year-Old Fossils Came From First Dinosaur ... Maybe

By Michael Balter, ScienceNOW

A team of paleontologists thinks it may have identified the earliest known dinosaur—a creature no bigger than a Labrador retriever that lived about 243 million years ago. That’s at least 10 million years earlier than the oldest known dinos and could change researchers’ views of how they evolved. But some scientists, including the study’s authors, caution that the fossils could instead represent a close dino relative.

Tracing back the earliest dinosaurs has not been easy. Fossils that old tend to be fragmentary, and researchers don’t always agree about their evolutionary pedigree. Paleontologists do agree, however, that pint-sized specimens found in Argentina and dated to 230 million years ago—with names like Eoraptor and Eodromaeus—are true dinosaurs. And in 2010, a team led by Sterling Nesbitt, a paleontologist at the University of Washington, Seattle, reported in Nature the discovery of a close dinosaur relative in Tanzania’s Manda Beds, a geological formation dated to between about 242 million and 245 million years ago. That specimen, called Asilisaurus, is not a dinosaur, but belongs to a so-called “sister taxon”—that is, the closest it can be to a dinosaur without actually being one.

That made Nesbitt and his colleagues take a closer look at what else has been found in the Manda Beds. One set of fossils, including an arm bone and several vertebrae, had been discovered in the 1930s and studied for decades by Alan Charig, a famed paleontologist at London’s Natural History Museum. Before he died in 1997, Charig named the specimens Nyasasaurus, but he never published his conclusions about whether it was a dinosaur.

For the new study, which also includes Nyasasaurus fossils housed in the South African Museum in Cape Town, Nesbitt’s team carried out a systematic comparison of the bones with those of other dinosaurs and their relatives. The researchers, who report their findings today in Biology Letters, find a number of features characteristic of true dinos. For example, Nyasasaurus has a broad crest of bone along the edge of its upper arm, to which the animal’s chest muscles would have attached; this crest appears to extend more than 30% of the bone’s length, a telltale dino feature. Nyasasaurus also has three vertebrae in its sacrum, the part of the spine that is attached to the pelvis, whereas dino ancestors only had two. And a microscopic study of the arm bone, carried out by team member Sarah Werning of the University of California, Berkeley, shows that it had grown very rapidly during the animal’s development, also typical of dinosaurs as well as later mammals and birds.

Nesbitt says that this combination of characteristics, rather than any one taken alone, makes a strong case that Nyasasaurus was “either a dinosaur or the closest relative.” Moreover, by the time early dinosaurs such as Eoraptor and Eodromaeus show up in Argentina at least 10 million years later, they already represent diverse groups that must have been evolving for millions of years. That means that dinosaur evolution must have begun a considerable time before that, Nesbitt says. And it makes Nyasasaurus a good candidate for an early dino, especially as a very close dinosaur relative, Asilisaurus, was also living in the Manda Beds some 243 million years ago.

This story provided by ScienceNOW, the daily online news service of the journal Science.

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“The Message” deemed greatest hip hop song ever

LOS ANGELES (Reuters) – The 1982 hit “The Message” by Grandmaster Flash and the Furious Five was named the greatest hip hop song of all time on Wednesday, in the first such list by Rolling Stone magazine to celebrate the young but influential music genre.

“The Message,” which tops a list of 50 influential hip hop songs, was the first track “to tell, with hip hop‘s rhythmic and vocal force, the truth about modern inner-city life in America,” Rolling Stone said.

Grandmaster Flash and the Furious Five, a hip hop collective from the south Bronx in New York, was formed in 1978 and became one of the pioneers of the hip hop genre.

The full list spanned songs ranging from Sugarhill Gang’s 1979 hit “Rapper’s Delight,” which came in at No. 2, to Kanye West‘s 2004 hit “Jesus Walks,” which landed at No. 32.

“It’s a list that would have been a lot harder to do ten or 15 years ago because hip hop is so young,” Nathan Brackett, deputy managing editor of Rolling Stone, told Reuters.

“We’ve reached the point now where hip hop acts are getting into the (Rock and Roll) Hall Of Fame… it just felt like the right time to give this the real Rolling Stone treatment.”

Rolling Stone‘s top 10 featured mostly hip hop veterans, such as Run-D.M.C.’s 1983 track “Sucker M.C.’s,” Dr. Dre and Snoop Dogg’s 1992 hit “Nuthin’ But A ‘G’ Thang,” Public Enemy’s 1990 song “Fight The Power” and Notorious B.I.G’s 1994 hit “Juicy.”

Other influential artists in the top 50 songs included Beastie Boys, who came in at No. 19 with “Paul Revere,” and recordings by Jay-Z, Eminem, Missy Elliot, Outkast, Lauryn Hill, LL Cool J, Nas and the late rapper 2Pac.

The list of 50 songs was compiled by a 33-panel of members comprising Rolling Stone editors and hip hop experts. They included musician Ahmir “Questlove” Thompson of The Roots, who Brackett described as “an incredible encyclopedia” of both old and new hip hop knowledge.

Brackett noted that some songs considered to be one-hit wonders, such as Audio Two’s 1988 hit “Top Billin’,” made the final selection.

“The references in those songs become the building blocks of all these other songs down the road … they become touchstones, really part of the meat of hip hop songs going forward,” Brackett said.

The full list will be released online at RollingStone.com and in the pop culture magazine on newsstands on December7. The issue will feature four different covers of Eminem, Jay-Z, Notorious B.I.G. and 2Pac.

(Reporting By Piya Sinha-Roy, editing by Jill Serjeant)

Music News Headlines – Yahoo! News

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Willis Whitfield, Clean Room Inventor, Dies at 92

The enemy was very small but it was everywhere. World peace, medical advancement, iTunes — all would eventually be threatened.

Half a century ago, as a rapidly changing world sought increasingly smaller mechanical and electrical components and more sanitary hospital conditions, one of the biggest obstacles to progress was air, and the dust and germs it contains.

Stray particles a few microns wide could compromise the integrity of a circuit board of a nuclear weapon. Unchecked bacteria could quickly infect a patient after a seemingly successful operation. Microprocessors, not yet in existence, would have been destroyed by dust. After all, an average cubic foot of air contained three million microscopic particles, and even the best efforts at vacuuming and wiping down a high-tech work space could only reduce the rate to one million.

Then, in 1962, Willis Whitfield invented the clean room.

“People said he was a fraud,” recalled Gilbert V. Herrera, the director of microsystems science and technology at Sandia National Laboratories in Albuquerque. “But he turned out to be right.”

Mr. Whitfield, who worked at Sandia from 1954 to 1984, died on Nov. 12 in Albuquerque. He was 92. The cause was prostate cancer, his wife, Belva, said.

His clean rooms blew air in from the ceiling and sucked it out from the floor. Filters scrubbed the air before it entered the room. Gravity helped particles exit. It might not seem like a complicated concept, but no one had tried it before. The process could completely replace the air in the room 10 times a minute.

Particle detectors in Mr. Whitfield’s clean rooms started showing numbers so low — a thousand times lower than other methods — that some people did not believe the readings, or Mr. Whitfield. He was questioned so much that he began understating the efficiency of his method to keep from shocking people.

“I think Whitfield’s wrong,” a scientist from Bell Labs finally said at a conference where Mr. Whitfield spoke. “It’s actually 10 times better than he’s saying.”

Willis James Whitfield was born in Rosedale, Okla., on Dec. 6, 1919. In addition to his wife, his survivors include his sons, James and Joe; a sister, Amy Blackburn; and a brother, Lawrence.

Mr. Whitfield became fascinated with electronics as a young man and received a two-year degree in the field after high school. He served in the Navy late in World War II, working with experimental electronic systems for aircraft. In 1952, he received a bachelor’s degree in physics and math from Hardin-Simmons University in Abilene, Tex.

By 1954 he was working at Sandia, which was involved in making parts for nuclear weapons and at the time was overseen by the Atomic Energy Commission. Mr. Whitfield’s duties soon included contamination control. By 1960, he had established his basic idea for the clean room.

“I thought about dust particles,” Mr. Whitfield told Time magazine in 1962. “Where are these rascals generated? Where do they go?”

The clean room was patented through Sandia, and the government shared it freely among manufacturers, hospitals and other industries.

Mr. Whitfield’s original clean room was only about six feet high, built as a small, self-contained unit. Some modern electronic devices, including the iPhone, are now built in China in huge clean rooms in structures that are more than a million square feet. Workers wear protective clothing, and other anticontamination methods have been added, but they still depend on Mr. Whitfield’s approach to suck up dust.

“Relative to these electronics, the particles are just massive boulders that would short out all of your electronics and make them not work,” Mr. Herrera said. “The core technology, just the cleaning part, hasn’t really changed a lot.”

Mrs. Whitfield said she was often been asked if her husband was a particularly fastidious man, and she always noted that he tended not to put his shoes away. He did live in a tidy house, though, and colleagues say he never tired of getting out a flashlight and shining it sideways across his coffee table to illuminate the prevalence of tiny dust particles that most people never notice.

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DealBook: Freeport to Buy Plains Exploration and McMoRan

Freeport-McMoRan Copper and Gold said on Wednesday that it would buy two oil and natural gas companies, Plains Exploration and Production and the McMoRan Exploration Company, in a return to the energy business.

The two transactions will create a natural resources titan worth about $60 billion, including debt, and will formally reunite Freeport with McMoRan, the oil exploration company it spun off in 1994.

Under the terms of the deals, Freeport will pay about $6.9 billion in cash and stock for Plains. That offer consists of $25 a share in cash and 0.6531 of a Freeport share, worth about $50 a share based on Tuesday’s closing prices.

And Freeport will pay $14.75 a share in cash and 1.15 units of a trust that will hold a 5 percent interest in future production of McMoRan’s deepwater exploration operations. Freeport and Plains together already own about 36 percent of the smaller exploration company. All told, the transaction values McMoRan at about $3.4 billion.

“This transaction will enable us to add assets with exceptional exploration and development potential to a world-class mining company to create a premier minerals and oil and gas business focused on value creation for shareholders,” James R. Moffett, Freeport’s chairman, said in a statement.

JPMorgan Chase is providing $9.5 billion to help pay for the cash portion of the deal and to repay some of Plains’s existing debt.

Freeport was advised by Credit Suisse and the law firm Wachtell, Lipton, Rosen & Katz. Plains was advised by Barclays and the law firm Latham & Watkins. McMoRan was advised by Evercore Partners and the law firm Weil, Gotshal & Manges.

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Villaraigosa says ports, union to use federal mediator to try to end strike

By Times Staff

December 4, 2012, 10:23 a.m.

Mayor Antonio Villaraigosa said at a news conference today that the Los Angeles and Long Beach ports and a union representing 800 clerical workers will use a federal mediator to try to end an eight-day strike.

 Speaking in Wilmington, the mayor did not say workers would return to their jobs during the mediation process. The walkout has shut down the ports, forcing ships to anchor off the coast or head to competing ports in Northern California, Panama and Mexico.

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For $10,000 an Hour You Can Talk to Mark Cuban Too

There is a lot you can buy with $166. A wool coat for winter. A cheap plane ticket (one way) from Los Angeles to New York. Four nights of paying for all the beer your friends drink. Or spending a minute of time on the phone with Dallas Mavericks owner and investor Mark Cuban.

It’s a calculus you wouldn’t be forced to make, except for the rise of Clarity, a startup that pairs budding entrepreneurs with experts like Mark Cuban for a price. Fortunately, most of the experts are far cheaper than the famously self-important Mr. Cuban. Both angel investor Ariel Poler and serial entrepreneur James Siminoff charge $8.33 per minute.

Whatever the price, says founder Dan Martell, the whole point is to get help for would-be masters of the universe who don’t have access to an ecosystem of people who have been there before. “New entrepreneurs don’t always know the right people, and those with extensive business knowledge don’t always want to talk,” says Martell. “I create Clarity to link up the people who need advice with those who are willing to give it.”

Martell knows all about being left outside of the entrepreneurial hot spots. He grew up in a small Canadian town, with fewer than 70,000 residents. It’s no surprise then that when he started his first company at 18, he couldn’t find any other local startup entrepreneurs who could give him advice. After that company – and the one after it – failed, Martell decided that one day he’d figure out a way to connect seasoned entrepreneurs, venture capitalists, and business advisers with budding business people, regardless of where they live. Clarity is the result.

When Martell launched the company in May 2012, he got 350 Silicon Valley hotshots and worldwide business experts to sign up to dole out free or paid advice. Seven months later, the site has grown to nearly 7,000 experts who offer pointers on real estate, marketing, legal issues, and fundraising to newly minted entrepreneurs. Clarity must have been paying attention to its own experts. It just raised a $1.6 million seed round from Mark Cuban (he invested after signing up as an expert), Baseline Ventures, Real Ventures, and 500 Startups, to name a few.

For Silicon Valley-based entrepreneur Omar Baig, Clarity replaces going to networking events and business lectures to hunt down an expert who might not even have a chance to talk. “This is 10 times better than that because I can get someone on the phone and get more than just advice.” Often, Baig says, those conversations lead to introductions to other experts and before you know it, you have an entire network of experts on your side. That’s more than worth the money, says Baig, who would gladly pay Mark Cuban’s $10,000-per-hour rate if he could afford it. (He’d ask Cuban for his top investor picks should he ever need to raise cash.)

It’s obvious why entrepreneurs would be all over an idea like Clarity – who doesn’t want advice from someone who’s already walked in your shoes? But advice-peddling experts like it too, because of the built-in privacy. Instead of giving out their already overloaded e-mail address or a phone number, they can give out a link to their Clarity profile and can control how people contact them, what they can talk about, and for how long.

Dan Waldschmidt (right), who owns his own business strategy firm in South Carolina, signed up for Clarity after Martell told him he could donate the money he made from his calls to charity. “I’m not interested in helping someone for a few hundred bucks an hour,” he says, “But if you connect it to my charity, I am willing to jump through a few more hoops to give money to a cause I care about.” He’ll talk to you about marketing, revenue growth, and business strategy, and donates the proceeds to To Write Love on Her Arms.

Clarity is a web app that can be used on any mobile or desktop browser. You can find your expert by first scrolling through categories like “Women Founders” and “Bootstrapping,” or search by topic, location, or specific person with whom you might want to talk. Starting today, advice-seekers can also post a summary of their questions and concerns and Clarity will suggest three to four experts who might be able to help.

Every experts has a profile with a photo, their location, a brief description of their expertise, and stats on their average response time and phone call length. If the expert chooses to charge for their time, you’ll also see their per-minute rate.

Once you find the right expert, you send them a request with a 140-character reason for the call and how much time – between 15 minutes and one hour – you want to chat. Your chosen expert gets either an e-mail or text message alert, accepts the request, and Clarity sets up a conference bridge at a scheduled time. Once the call is done, Clarity handles all the billing.

The average cost of a 15-minute call is $60 — $100 for 30 minutes — but the prices depends on how each expert values his or her time. Some experts don’t charge at all. New investor Mark Cuban charges the most on the site at $166.67 per minute, but the average rate is closer to 500 Startups’ Dave McClure‘s rate of $4.17 per minute. McClure, like many others on Clarity, gives his earnings to charity. The company takes the transaction cost, about 4 percent, on paid calls where the proceeds are donated to philanthropic causes. If the expert keeps the money for themselves, Clarity keeps 15 percent.

The idea of gathering independent experts is hardly novel. Knowledge brokerage firm Gerson Lehrman has several councils of experts who can offer business, legal, and accounting advice, though their membership process is more extensive than signing up with Facebook or LinkedIn (which is all you have to do with Clarity). There are also plenty of places to solicit advice on the internet, most popular of which is Quora. You can find Silicon Valley personalities like Ben Horowitz and Robert Scoble answering questions on the site, which has become like a refined Yahoo Answers for the tech community.

Clarity seems to sit between the two services; not as sophisticated or, with the exception of Cuban, as expensive as Gerson Lehrman, but more personal than Quora. The company understands the trend that entrepreneurs are popping up in every country and they can’t always get help from there local community. Martell’s starry-eyed goal for his company is to impact 1 billion people worldwide by 2022. But with a growing number of popular tech and business luminaries in Clarity’s back pocket, and the entrepreneurial bug spreading globally that might not be such a lofty goal for long.

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Fleetwood Mac readies tour and new music

NEW YORK (AP) — Fleetwood Mac is heading back on the road, and that means the top-selling group will release new music — sort of.

On its 34-city North American tour, which kicks off April 4 in Columbus, Ohio, the band will perform two new songs, and it could mean a new album will follow. Or not.

Stevie Nicks recently sang on tracks that Lindsey Buckingham, Mick Fleetwood and John McVie worked on, calling the sessions “great.” But Nicks also says she’s not sure where the band fits in today’s music industry.

“Whether or not we’re gonna do any more (songs), we don’t know because we’re so completely bummed out with the state of the music industry and the fact that nobody even wants a full record,” she said. “Everybody wants two songs, so we’re going to give them two songs.”

Nicks said depending on the response to the new tracks — which Buckingham calls “the most Fleetwood Mac-y stuff … in a long time” — more material could come next.

“Maybe we’ll get an EP out of it or something,” Buckingham said.

Nicks will continue to record solo albums, though. The group is celebrating the 35th anniversary of the best-selling “Rumours” album, which has moved some 20 million units in the United States. She knows that’s not possible again, despite the success of Adele’s “21,” which has sold 10 million units in America in less than two years.

“This is Adele’s ‘Rumours,’” Nicks said. “She had a baby, she’s going to take a year off to take care of her baby — that’s why I never had any kids. She’s going to go back and start writing again, you never know what the next record’s going to be. Is it going to sell 10 million records? You don’t know,” she said.

Buckingham said he initially wanted to record a new album, but Nicks “wasn’t too into that.” But the guitarist and singer knows that new music isn’t a priority for the band’s fans.

“It wouldn’t matter if they didn’t hear anything new. In a way there’s a freedom to that — it becomes not what you got, but what you do with what you got. Part of the challenge of this tour is figuring out a presentation that has some twists and turns to it without having a full album,” he said.

Fleetwood Mac, which was formed in 1967, last released an album in 2003, though they hit the road in 2009. Nicks and Buckingham — who originally joined the band in 1974 as a couple — both released solo albums and toured last year. Buckingham had suggested that Fleetwood Mac tour last year, but says getting everyone to agree was tough.

“If you look at Fleetwood Mac as a group, you can make the case of saying we’re a bunch of individuals who don’t necessarily belong in the same group together, but it’s the synergy of that that makes us so good. But it also makes the politics a little more tenuous,” he said. “You can say that not only can it be a political minefield, someone’s always causing trouble, right? I caused trouble for years so I can’t point any fingers.”

The tour also includes cities such as New York, Chicago, Boston, Las Vegas and Los Angeles, and will end June 12 in Detroit.

_____

Online:

http://www.fleetwoodmac.com/

You can follow Music Writer Mesfin Fekadu on Twitter at twitter.com/MusicMesfin

Entertainment News Headlines – Yahoo! News

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Software Programs Help Doctors Diagnose, but Can’t Replace Them

SAN FRANCISCO — The man on stage had his audience of 600 mesmerized. Over the course of 45 minutes, the tension grew. Finally, the moment of truth arrived, and the room was silent with anticipation.

At last he spoke. “Lymphoma with secondary hemophagocytic syndrome,” he said. The crowd erupted in applause.

Professionals in every field revere their superstars, and in medicine the best diagnosticians are held in particularly high esteem. Dr. Gurpreet Dhaliwal, 39, a self-effacing associate professor of clinical medicine at the University of California, San Francisco, is considered one of the most skillful clinical diagnosticians in practice today.

The case Dr. Dhaliwal was presented, at a medical  conference last year, began with information that could have described hundreds of diseases: the patient had intermittent fevers, joint pain, and weight and appetite loss.

To observe him at work is like watching Steven Spielberg tackle a script or Rory McIlroy a golf course. He was given new information bit by bit — lab, imaging and biopsy results. Over the course of the session, he drew on an encyclopedic familiarity with thousands of syndromes. He deftly dismissed red herrings while picking up on clues that others might ignore, gradually homing in on the accurate diagnosis.

Just how special is Dr. Dhaliwal’s talent? More to the point, what can he do that a computer cannot? Will a computer ever successfully stand in for a skill that is based not simply on a vast fund of knowledge but also on more intangible factors like intuition?

The history of computer-assisted diagnostics is long and rich. In the 1970s, researchers at the University of Pittsburgh developed software to diagnose complex problems in general internal medicine; the project eventually resulted in a commercial program called Quick Medical Reference. Since the 1980s, Massachusetts General Hospital has been developing and refining DXplain, a program that provides a ranked list of clinical diagnoses from a set of symptoms and laboratory data.

And I.B.M., on the heels of its triumph last year with Watson, the Jeopardy-playing computer, is working on Watson for Healthcare.

In some ways, Dr. Dhaliwal’s diagnostic method is similar to that of another I.B.M. project: the Deep Blue chess program, which in 1996 trounced Garry Kasparov, the world’s best player at the time, to claim an unambiguous victory in the computer’s relentless march into the human domain.

Although lacking consciousness and a human’s intuition, Deep Blue had millions of moves memorized and could analyze as many each second. Dr. Dhaliwal does the diagnostic equivalent, though at human speed.

Since medical school, he has been an insatiable reader of case reports in medical journals, and case conferences from other hospitals. At work he occasionally uses a diagnostic checklist program called Isabel, just to make certain he hasn’t forgotten something. But the program has yet to offer a diagnosis that Dr. Dhaliwal missed.

Dr. Dhaliwal regularly receives cases from physicians who are stumped by a set of symptoms. At medical conferences, he is presented with one vexingly difficult case and is given 45 minutes to solve it. It is a medical high-wire act; doctors in the audience squirm as the set of facts gets more obscure and all the diagnoses they were considering are ruled out. After absorbing and processing scores of details, Dr. Dhaliwal must commit to a diagnosis. More often than not, he is right.

When working on a difficult case in front of an audience, Dr. Dhaliwal puts his entire thought process on display, with the goal of “elevating the stature of thinking,” he said. He believes this is becoming more important because physicians are being assessed on whether they gave the right medicine to a patient, or remembered to order a certain test.

Without such emphasis, physicians and training programs might forget the importance of having smart, thoughtful doctors. “Because in medicine,” Dr. Dhaliwal said, “thinking is our most important procedure.”

He added: “Getting better at diagnosis isn’t about figuring out if someone has one rare disease versus another. Getting better at diagnosis is as important to patient quality and safety as reducing medication errors, or eliminating wrong site surgery.”

Clinical Precision

Dr. Dhaliwal does half his clinical work on the wards of the San Francisco V. A. Medical Center, and the other half in its emergency department, where he often puzzles through multiple mysteries at a time.

One recent afternoon in the E.R., he was treating a 66-year-old man who was mentally unstable and uncooperative. He complained of hip pain, but routine lab work revealed that his kidneys weren’t working and his potassium was rising to a dangerous level, putting him in danger of an arrhythmia that could kill him — perhaps within hours. An ultrasound showed that his bladder was blocked.

There was work to be done: drain the bladder, correct the potassium level. It would have been easy to dismiss the hip pain as a distraction; it didn’t easily fit the picture. But Dr. Dhaliwal’s instinct is to hew to the ancient rule that physicians should try to come to a unifying diagnosis. In the end, everything — including the hip pain — was traced to metastatic prostate cancer.

“Things can shift very quickly in the emergency room,” Dr. Dhaliwal said. “One challenge of this, whether you use a computer or your brain, is deciding what’s signal and what’s noise.” Much of the time, it is his intuition that helps figure out which is which.

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