WASHINGTON — The White House said more than 64,000 people watched President Obama answer questions on Thursday in the first live Internet video chat by an American president. But in declaring itself “Open for Questions,” on the economy, the White House learned it must be careful what it wishes for.

More than 100,000 questions were submitted, with the idea that Mr. Obama would answer those that were most popular. But after 3.6 million votes were cast, one of the top questions turned out to be a query on whether legalizing marijuana might stimulate the economy by allowing the government to regulate and tax the drug.

“I don’t know what this says about the online audience,” Mr. Obama said, drawing a laugh from an audience gathered in the East Room, which included teachers, nurses and small-business people. “The answer is no, I don’t think that is a good strategy to grow the economy.”

The marijuana question later took up a good chunk of the daily White House press briefing, where Robert Gibbs, the press secretary, suggested that advocates for legalizing marijuana had mounted a drive to rack up votes for the question.

Those advocates included Norml, the National Organization for the Reform of Marijuana Laws, which urged supporters to “let the president know that millions of American voters believe that the time has come to tax and regulate marijuana.”

But however the marijuana query rose to the top of the White House list, it provided one of the livelier moments in the mostly staid 70-minute event.

Mr. Obama did make a sliver of news, disclosing that he intended to announce in the next couple of days what kind of help his administration would give the auto industry. A senior White House official said no decision had yet been made; Mr. Gibbs hinted that the announcement would most likely occur on Monday.

“We will provide them some help,” Mr. Obama said, as he has in the past, while also talking tough, as he has done previously, by insisting that the auto makers would have to make “drastic changes” to restructure the way they do business.

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Obama Makes History in Live Internet Video Chat – NYTimes.com.

The percentage. of people who call themselves in some way Christian has dropped more than 11% in a generation. The faithful have scattered out of their traditional bases: The Bible Belt is less Baptist. The Rust Belt is less Catholic. And everywhere, more people are exploring spiritual frontiers — or falling off the faith map completely.

These dramatic shifts in just 18 years are detailed in the new American Religious Identification Survey (ARIS), to be released today. It finds that, despite growth and immigration that has added nearly 50 million adults to the U.S. population, almost all religious denominations have lost ground since the first ARIS survey in 1990.

Most religious groups in USA have lost ground, survey finds – USATODAY.com.

In a timed exposure, spectators watch from Cocoa Beach as the Kepler satellite launches from Cape Canaveral Air Force Station, Fla. March 6.

NASA’s Kepler spacecraft blasted off from Kennedy Space Center in Florida on Friday on a three-year mission to find Earth’s twin, a Goldilocks planet where it’s neither too hot nor too cold, but just right for life to take hold.

The Delta II rocket, carrying the widest-field telescope ever put in space, lifted off the launch pad at Cape Canaveral at 10:49 p.m. Eastern time.

The $590-million Kepler mission is jointly managed by JPL and NASA’s Ames Research Center in the Bay Area. The spacecraft carries a 15-foot-long telescope with a 55-inch mirror that can scrutinize a wide star field for the telltale dimming of starlight that occurs when a planet crosses in front of it, known as a transit.

Over the last decade, scientists have employed the same technique with ground-based telescopes to discover 340 planets circling other stars. But because the optics of ground-based instruments are compromised by atmospheric interference, most of the planets found so far are Jupiter-like gas giants that orbit so close to their parent stars that any life forms would be incinerated.

The orbiting Hubble Space Telescope, whose optics are not hampered by Earth’s atmosphere, was designed to see deeply but very narrowly.

Kepler’s field of view is 33,000 times wider than Hubble’s, or about the size of a human hand held up to the sky. The Cygnus-Lyra region near the plane of the Milky Way encompasses about 4.5 million stars. But most of those are too big or hot to allow a habitable zone close enough to the star for Kepler to see a transit.

The science team has selected about 150,000 sun-like stars for Kepler to analyze. Over time, Fanson said, the number will be winnowed down to about 100,000 in three classes: G-type stars, which are similar in size and age to the sun; K- and M-type stars, which are slightly smaller and cooler; and A- and F-class stars, which are somewhat bigger.

Earth is in the center of the habitable zone around the sun, but with stars of other classes, that zone would be closer to the star or farther out.

Kepler’s telescope is outfitted with a sophisticated camera that will stare unblinkingly at the star field. The whole area will be imaged every six seconds, then stored in 30-minute chunks.

Once a month, Kepler will do a pirouette in space to download its stored data, Fanson said.

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Kepler blasts off in search of Earth-like planets – Los Angeles Times.

WASHINGTON: Not quite seven weeks into Barack Obama’s presidency, the capital’s leading thinkers seem to agree that the era of postpartisanship is over.

Obama’s team made little secret of their intention to win broad support for his stimulus plan – an effort that yielded three Republican votes in the Senate and none in the House of Representatives. The president’s pick for the Commerce Department, Senator Judd Gregg, a Republican from New Hampshire, turned down the job, citing his personal opposition to the bill.

According to E.J. Dionne Jr. of The Washington Post, Obama himself, speaking to a group of columnists aboard Air Force One, suggested that, in the future, he would approach Republicans with more wariness. “You know, I am an eternal optimist,” the president said. “That doesn’t mean I’m a sap.”

Such talk acted like a shot of adrenaline to the stilled hearts of liberal bloggers and columnists who had feared that Obama might squander a chance to stomp on his bewildered opposition. So much energy has been spent berating the idea of bipartisanship, in fact, that no one has stopped to ask what Obama means by it.

As the political scientist James Morone recently pointed out on The New York Times’s Op-Ed page, legislative bipartisanship, in the sense of two-party unity behind a single agenda, has never really existed.

The presidents we tend to immortalize hardly managed to transcend party politics; their greatness grew from their willingness to articulate arguments that were calibrated to be divisive. Franklin Roosevelt infuriated generations of conservatives who reviled his concept of expansive government. Ronald Reagan’s passionate counterargument made him an enduring enemy to the left.

This doesn’t mean, however, that our politics have not fundamentally changed over the last few decades. Roosevelt and his Republican critics had profound disagreements, but both sides understood that their dispute was ideological rather than personal, the clash of opposing theories in a common pursuit.

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Wary of Republicans, but not walking away – International Herald Tribune.