Castro resigns as president, state-run paper reports  —  HAVANA, Cuba (CNN) — Fidel Castro announced his resignation as president of Cuba and commander-in-chief of Cuba's military on Tuesday, according to a letter published in the state-run newspaper, Granma.

She Said What?  —  Michelle Obama today said that “for the first time in my adult lifetime, I am really proud of my country.  And not just because Barack has done well, but because I think people are hungry for change.  I have been desperate to see our country moving in that direction.”

THE OBAMA BUBBLE....Paul Krugman this morning: … Right on cue, here's David Brooks tonight: … A “backlash” from a conservative like Brooks is hardly a surprise.  Still, I think Krugman is right: bubbles always burst, and Obama has been riding a major league bubble for months now.

Al-Qaeda's choice  —  Bedd Gelert and Vagueofgodalming may well be right about Rees Mogg.  —  My own concern about his piece is this.  He writes: “There are, of course, hypothetical events that could change everything.  There could be an attack on Mr Obama himself, but he is protected by the Secret Service.

Desperate  —  Do you want to know how desperate the Clinton campaign is to stop the gathering momentum of the Obama campaign on the eve of primaries in Wisconsin and Hawaii?  —  Consider the accusations being leveled by the Clinton camp that the Illinois senator is guilty of plagiarizing words …

Clinton targets pledged delegates  —  Hillary Clinton's presidential campaign intends to go after delegates whom Barack Obama has already won in the caucuses and primaries if she needs them to win the nomination.  —  This strategy was confirmed to me by a high-ranking Clinton official on Monday.

Why I'm voting for Obama in the Wisconsin primary.  —  I said I was going to write this post, so I'd better do it.  As I said, I want to do an archaeology of the archive and trace my response to Barack Obama as I did to John Kerry in an old 2004 post called “How Kerry lost me.”

FDA Says It Approved The Wrong Drug Plant  —  The Chinese facility that supplies the active ingredient of the widely used blood thinner heparin was never inspected by the Food and Drug Administration because the agency confused its name with another just like it, agency officials said yesterday.

‘Bomb, slaughter Danes due to republication of Muhammad caricatures’  —  Muslims worldwide should bomb Denmark's embassies and kill it diplomats following last week's republication of caricatures of Muslim prophet Muhammad, a spokesman for the Popular Resistance Committees in the Gaza Strip said on Monday.

A McCain cabinet could bear shades of Teddy Roosevelt  —  PHOENIX — Democrats already are regularly attacking John McCain for offering what they characterize as a third George W. Bush term.  —  But a new Theodore Roosevelt presidency might be closer to the mark.