Exclusive Poll: Clinton's Lead Shrinks In Pa.  —  Clinton Leads By 12 Points, Survey Finds  —  If the Democratic primary in Pennsylvania were held Tuesday, April 1, Hillary Clinton would defeat Barack Obama by 12 percentage points, according to a recent SurveyUSA poll conducted exclusively …

Pelosi says Democratic race should go on  —  WASHINGTON - House Speaker Nancy Pelosi said the superdelegates who may ultimately decide the Democratic party's presidential nominee have a right to vote as they wish, and that the drawn-out contest between candidates Hillary Rodham Clinton …

Cleaver's bluntness  —  In an unusually frank interview on Canadian public radio, CBC, Rep. Emmanuel Cleaver of Kansas City — a Hillary supporter and superdelegate — gives a sense of how tenuous Clinton's hold on many black superdelegates is.  —  “If I had to make a prediction right now …

Flying penguins found by BBC programme  —  The BBC will today screen remarkable footage of penguins flying as part of its new natural history series, Miracles of Evolution.  —  Camera crews discovered a colony of Adélie penguins while filming on King George Island, some 750 miles south of the Falkland Islands.

Negotiations May Lead to Mugabe's Exit in Zimbabwe  —  HARARE, Zimbabwe — The opposition leader Morgan Tsvangirai is in talks with advisers to President Robert G. Mugabe of Zimbabwe, amid signs that some of those close to Mr. Mugabe may encourage him to resign, a Western diplomatic source …

American political economics in one picture  —  Look at the figure below, and then look at it again, and again, and again.  It is the most telling picture about the U.S. political economy I have ever seen.  —  It comes from Princeton political scientist Larry Bartels' new book, soon to be released.

Obama's Oil Spill  —  Obama says he doesn't take money from oil companies.  We say that's a little too slick.  —  In a new ad, Obama says, “I don't take money from oil companies.”  —  Technically, that's true, since a law that has been on the books for more than a century prohibits corporations …

Lights out at MichelleMalkin.com Update (noon): Flipped the switch  —  Update: It's noon and I've flipped the switch back on.  Let there be light!  —  Today I am going dark.  —  We've turned out the lights at MichelleMalkin.com.  Why?  To raise awareness of empty awareness-raising gestures …

Inside the Black Budget  —  Clockwise from top left: Ghost Squadron.  For search and rescue; National Reconnaissance Office.  Dragon is code for infrared imaging on advanced KH-11 satellites; Desert Prowler.  May represent Groom Lake, Nev., a k a Area 51; Special Projects Office.

Matthews on Obama: “[T]his gets very ethnic, but the fact that he's good at basketball doesn't surprise anybody”  —  On the March 31 edition of MSNBC's Hardball, discussing Sen. Barack Obama's bowling performance at a March 29 campaign stop at Pleasant Valley Lanes in Altoona, Pennsylvania …

Why al-Maliki attacked Basra  —  The three reasons the Iraqi prime minister launched his ill-fated assault on the Sadrists of southern Iraq.  —  Mahdi army fighters stand next to a burning Iraq armored police vehicle in Basra, Iraq, March 30, 2008.  —  Why did Iraqi Prime Minister Nouri al-Maliki attack …

Bush Softens on Spy Bill  —  WASHINGTON — The White House, seeking to break a months-long standoff, has signaled to Democratic lawmakers it is open to negotiation over a proposal to expand government spy powers, according to officials familiar with the conversations.

Clinton's convention strategy in doubt  —  If the fight over whether to count the results in Florida and Michigan makes it to the Democratic National Convention, Hillary Clinton will not have enough pledged votes on the 169-member Credentials Committee to deliver a majority decision in her favor …