McCain Confronted With New Iran Gaffe, Gets Facts Wrong Again (VIDEO)  —  Yesterday, Time's Joe Klein noted that he could find no evidence that Sen. Barack Obama had ever specifically said he would negotiate with Mahmoud Ahmadinejad: … Later in the day, Klein confronted McCain with this question at a press conference.

‘Bush intends to attack Iran before the end of his term’  —  US President George W. Bush intends to attack Iran in the upcoming months, before the end of his term, Army Radio quoted a senior official in Jerusalem as saying Tuesday.  —  The official claimed that a senior member of the president's entourage …

Sen. Kennedy has malignant brain tumor  —  BOSTON - Sen. Edward M. Kennedy has a malignant brain tumor.  —  Doctors for the Massachusetts Democrat say tests conducted after Kennedy suffered a seizure this weekend show a tumor in his left parietal lobe.  Preliminary results from a biopsy …

Talking Versus Doing  —  In 1965, Mancur Olson wrote a classic book called “The Logic of Collective Action,” which pointed out that large, amorphous groups are often less powerful politically than small, organized ones.  He followed it up with “The Rise and Decline of Nations.”

Clinton Puts Up A New Fight  —  The Candidate Confronts Sexism On the Trail and Vows to Battle On  —  Women of all ages and nationalities push against the rope line carrying books and T-shirts, posters and stuffed animals — anything for her to autograph.  They tote huge signs that shout …

McKinnon To Step Aside From McCain Effort  —  Mark McKinnon, the lead media consultant for Sen. John McCain's (Ariz.) presidential bid, is stepping down from that role — making good on a pledge he made last year not to work against Sen. Barack Obama (Ill.) in the fall campaign.

KY DISTRICT SAYS ADVANCED MATH IS ONLY FOR GIRLS.  —  Remember those experimental sex-segregated K-12 programs the New York Times Magazine profiled in March?  You know, the ones that rely upon gender stereotypes to educate young public school students?  Yesterday the ACLU filed a lawsuit …

Clinton Keeps Up Fight As Staff Tensions Rise  —  By MONICA LANGLEY in Bowling Green, Ky., and AMY CHOZICK in Crow Agency, Mont.  —  Heading into twin Democratic primaries Tuesday in Kentucky and Oregon — which the two candidates are expected to split — Sen. Hillary Clinton is vowing …

Key Clinton Constituencies Moving Toward Obama  —  Obama now competitive among women, whites, and the less educated  —  PRINCETON, NJ — Gallup Poll Daily tracking has documented a surge in Democratic voters' support for Barack Obama over Hillary Clinton in recent days …

Iraqi security forces begin crackdown on Sadr City  —  U.S. forces were playing no part in the operation to wrest control of the Baghdad district from militiamen loyal to radical Shiite Muslim cleric Muqtada Sadr.  —  BAGHDAD — Iraqi security forces moved deep into Sadr City today …

Oh, shoot!  —  Ald.  Richard Mell forgot to re-register his guns (which reportedly include a Walther PPK like this one).  No problem — he'll just write a new law.  —  Ald.  Richard Mell (33rd) is a former hunter with an arsenal of weapons that reportedly features shotguns, rifles and pistols …

FIRST THOUGHTS: EVERYONE'S A WINNER  —  From Chuck Todd, Mark Murray, and Domenico Montanaro  —  *** Everyone's a winner: Much like a children's soccer or Tee Ball game, tonight's contests in Kentucky (which Clinton is expected to win big) and Oregon (ditto for Obama) are going to allow everyone to walk out a winner.