Barack Obama apologized for his campaign's oppo memo calling Hillary Clinton the Senator from Punjab, saying the remark was "stupid and caustic." The AP has more on the oppo research and whispering campaigns swirling in the background.

Robert Borosage opens the fifth annual Take Back America Conference shindig in DC today by telling excited liberals that "they [conservatives] are done. This is our time."

As if on cue, ABC News reports: "liberal" is suddenly no longer a dirty word for Dem presidential candidates.

John McCain gave the commencement address at the U.S. Merchant Marine Academy.

Sam Brownback launches 1,200-mile, four-day, 27-stop bus tour through Iowa. No word yet on whether the bus is powered with ethanol.

Associated Press: GOP Race Fluid in State-By-State View.

Rahm Emanuel let's the public see his earmarks.

In other news, Duke University reached "an undisclosed financial settlement" with the three lacrosse players falsely accused of rape.