Carbon Output Must Near Zero To Avert Danger, New Studies Say  —  The task of cutting greenhouse gas emissions enough to avert a dangerous rise in global temperatures may be far more difficult than previous research suggested, say scientists who have just published studies indicating …

2 Clinton Backers Offer a Way to Stage New Primaries  —  Two of Senator Hillary Rodham Clinton's biggest supporters, who are also two of the Democratic Party's most successful fund-raisers, have offered to help raise millions of dollars to stage new primaries in Florida and Michigan.

The Monster: A Loyal Clinton Soldier Turns in His Badge  —  She has no idea.  —  She has no idea how many times I defended her.  How many right-leaning friends and relatives I battled with.  How many times I played down her shady business deals and penchant for scandals …

O'HANLON'S BACK.  —  I don't really know enough about Iraq to adjudicate a debate between Spencer Ackerman and Michael O'Hanlon.  But it certainly seems to me that the New York Times shouldn't simply be reprinting O'Hanlon's “benchmarks” without giving readers some way to evaluate whether they're worth listening to.

McCain's Daunting Task  —  Buried inside Sunday's papers was a noteworthy election result.  In a special election to replace former Speaker Dennis Hastert, an Illinois Republican, first-time Democratic candidate Bill Foster emerged victorious.  George Bush easily carried the district in 2004 …

Clinton Went On Limbaugh?  —  You may have missed it - almost everyone missed it - but Bill Clinton was on Rush Limbaugh's show the day of the Texas primary.  You can hear the radio here.  Limbaugh himself was sick that day, apparently, but he had already urged Republicans to cross over to keep Hillary Clinton in the race.

NSA's Domestic Spying Grows As Agency Sweeps Up Data  —  Terror Fight Blurs  —  Line Over Domain;  —  WASHINGTON, D.C. — Five years ago, Congress killed an experimental Pentagon antiterrorism program meant to vacuum up electronic data about people in the U.S. to search for suspicious patterns.

Guitar Heros  —  Guitar Heroes … Men crept in darkness to plant a bomb.  They moved in an area where last year I was helping to collect fallen American soldiers from the battlefield.  —  Terrorists.  The ones who murder children in front of their parents.  The ones who take drugs and rape women and boys.

GOP Pork, Imperiled By McCain  —  The congressional Republican establishment, with its charade of pretending to crack down on budget earmarks while in fact preserving its addiction to pork, faces embarrassment this week when the Democratic-designed budget is brought to the Senate floor.

John Heilemann and Joe Trippi Discuss the Democratic Primary Race Over Instant Messenger  —  Last night, Democratic strategist Joe Trippi sat down to discuss the Democratic primary with New York's John Heilemann from his home on the eastern shore of Maryland.

Sniping by Aides Hurt Clinton's Image as Manager  —  WASHINGTON — The morning after Senator Barack Obama shook the Clinton campaign by winning five contests in one weekend, Senator Hillary Rodham Clinton's new campaign manager — Maggie Williams, who had taken over in a shake-up the night before …

The Inequality Myth  —  Class warfare is once again a campaign theme.  The Democratic candidates are railing against the “tax cuts for the rich,” lamenting the stagnation of middle-class incomes, and decrying the deepening woes of the poor.  In her January response to President Bush's State …

One Clinton Hometown Sees Her in Images Befitting a '50s Movie  —  SCRANTON, Pa. — She is about 3 1/2 years old, a prim little blonde in a light dress, road-testing her white anklets and Mary Janes.  Her mother, slim and stylish in a 1940s fitted suit, hat and strapped white heels …

MSNBC cancels ‘Tucker’  —  Tucker Carlson's MSNBC show “Tucker” has been canceled, with an announcement from the network coming tomorrow.  —  I spoke with Carlson this evening, and the host confirmed reports on media blogs in the past few days about the show getting canceled.

In the Villages of Al Anbar  —  ANBAR PROVINCE, IRAQ - The Iraqi town of Al Farris looks like a model Soviet city up close and a rounded square from the sky.  Saddam Hussein built it to house workers in the now-defunct weapons factory to the east, and they live in neighborhoods called City 1, City 2, City 3, City 4, and City 5.

They Criticized Vista.  And They Should Know.  —  ONE year after the birth of Windows Vista, why do so many Windows XP users still decline to “upgrade”?  —  Microsoft says high prices have been the deterrent.  Last month, the company trimmed prices on retail packages of Vista, trying to entice consumers to overcome their reluctance.