Candidate Clinton to Richardson: 'Barack Obama Can't Win'  —  ABC News' George Stephanopoulos Reports: Sen. Hillary Clinton, D-N.Y., and former President Bill Clinton are making very direct arguments to Democratic superdelegates, starkly insisting Sen. Barack Obama, D-Ill. …

Obama Has Testy Exchange In Philadelphia  —  From CBS News' Maria Gavrilovic:  —  WALLINGFORD, PA. — Barack Obama's six-day bus tour has been chock-full of local stops through out the state, where he has had personal interactions with voters.  However, during a stop at the Italian Market in Philadelphia …

Clinton's Persistence Could Help Obama  —  Hillary Rodham Clinton leaving Wilkes-Barre.  She seemed to be reveling in playing the underdog, comparing herself to that Philadelphia hero of the big screen, Rocky Balboa, in rebuffing suggestions that she quit the race.

Joe Lieberman Attacks Barack Obama On Fox News (Video)  —  There's nothing quite like seeing it live:  —  LIEBERMAN: Well, I think that - let me say generally that Sen. Obama doesn't come to this debate with a lot of credibility.  Basically on the question of Iraq, John McCain has had the guts …

OBAMA... LIKE HEINZ KERRY'S HUSBANDS?  —  From NBC/NJ's Matthew Berger  —  PITTSBURGH, Pa. — Teresa Heinz Kerry joined Michelle Obama at a rally at Carnegie Mellon University today, saying she hoped the state would support Obama the way it had voted for both of her husbands.

Rezko witness: Gov was told of threat to ‘take them down’  —  A Chicago businessman-turned-Hollywood producer who believed he was being shaken down by two of Gov. Blagojevich's campaign fund-raisers threatened to “take them down” if they didn't back off, according to a recording played at the Tony Rezko corruption trial today.

Stabenow's husband caught in Troy prostitution sting, police report says  —  TROY — The co-founder and former CEO of the liberal-progressive Democracy Radio and husband of U.S. Senator Debbie Stabenow was caught in February by a Troy police sting aimed at catching prostitutes, according to a police report.

U.S. Cites Planning Gaps in Iraqi Assault on Basra  —  BAGHDAD — Ambassador Ryan C. Crocker first learned of the Iraqi plan on Friday, March 21: Prime Minister Nuri Kamal al-Maliki would be heading to Basra with Iraqi troops to bring order to the city.  —  But the Iraqi operation was not what the United States expected.

Justice Probes Lawyer's Dismissal Amid Gay Rumor  —  Audio for this story will be available at approx. 7:00 p.m. ET  —  · The Justice Department's inspector general is investigating whether a career attorney in the department was dismissed from her job because of rumors that she is a lesbian.

EXCLUSIVE: Heidi Montag: I'm Voting For John McCain  —  The New York Times recently called Heidi Montag a “feminist hero” for standing up to beau Spencer Pratt, but the Hills star, 21, isn't backing Hillary Clinton for president.  —  “I'm voting for John McCain,” she tells Us Weekly in its latest issue, on newsstands now.

Massive exposé;: Bush officials pressured underlings to use torture; On interrogators: ‘You could almost see their d*cks getting hard...’  —  “Torture at Guantánamo was sanctioned by the most senior advisers to the president, the vice president, and the secretary of defense …

Dean meets with Florida Democrats  —  (CNN) — Florida's Democratic leadership and national party chairman Howard Dean presented a united front today as they met to resolve their dispute over the seating of that state's delegation at the presidential nominating convention in Denver.

New polls show Obama surge in Pa.  —  Illinois Sen. Barack Obama is surging in Pennsylvania, according to several new polls.  In one survey, released by Public Policy Polling this morning, Obama is now leading New York Sen. Hillary Clinton for the first time, 45 percent to 43 percent.