Romney, Santorum rip into one another at pivotal GOP debate  —  MESA, Ariz. — Mitt Romney and Rick Santorum ripped into one another at Wednesday night's GOP presidential debate in their last joint appearance before a chain of make-or-break contests.  —  Romney was helped out in his attacks …

Haley Barbour Tells ABC News, 'Somebody Else Might Get In"  —  Could the battle for the Republican nomination go all the way to the Republican convention in August?  Could we see an entirely new candidate getting into the race?  —  One long-time Republican leader tells ABC News the answer to both questions is yes.

BREAKING: Bush Appointee Finds DOMA Unconstitutional  —  Moments ago, Judge Jeffery White of the District Court for the Northern District of California ruled that the Defense of Marriage Act (DOMA) violates the Constitution's equal protection clause in a case brought by Karen Golinski.

Evaluation shows “Faked” Heartland Climate Strategy Memo is Authentic  —  A line-by-line evaluation of the Climate Strategy memo, which the Heartland Institute has repeatedly denounced as a “fake” shows no “obvious and gross misstatements of fact,” as Heartland has alleged.

No shovel for Obama  —  It was a rather odd sight: as an array of museum officials, including former first lady Laura Bush, took up shovels at the groundbreaking for the first national museum dedicated exclusively to African-American history and culture, the nation's first black president sat watching, no shovel in hand.

A pro-choice win in Virginia, assisted by “Saturday Night Live”  —  The Virginia governor backs off a forced-ultrasound bill in the face of pro-choice — and pop culture — outrage  —  Something incredible just happened.  Faced with a growing national outcry against a bill forcing an ultrasound …

SACHA BARON COHEN BANNED FROM OSCARS: EXCLUSIVE  —  BREAKING... EXCLUSIVE: The Academy Of Motion Picture Arts & Sciences has pulled actor Sacha Baron Cohen's tickets from the 84th Academy Awards.  This means he is banned from attending the Oscars even though he is an Academy member …

Recalling Her Determined Daughter, a Journalist Killed in Syria  —  Marie Colvin got into Yale University the way she would later get into foreign countries, with grit and determination.  —  After spending a year in Brazil on a student exchange program, from January of her junior year …

CONGRESSIONAL SUPPORT: #NOH8OnTheHill  —  Last week, we announced NOH8 Co-Founders Adam Bouska and Jeff Parshley would be hosting a special photo shoot in Washington, D.C. for any and all Members of Congress in the US Senate and House of Representatives who were willing to show their support …

Chris Christie: Obama Is Showing ‘Cowardice’ For Trying To Have It ‘Both Ways’ On Marriage Equality  —  New Jersey Gov. Chris Christie (R) accused President Obama of “cowardice” and trying to have it “both ways” on marriage equality during a contentious appearance on MSNBC's Morning Joe on Thursday.

Newt: Media never asked Obama about ‘infanticide’ - except it did (UPDATE: Or did it?)  —  Surprise!  Newt Gingrich is attacking the press.  —  Coming out of the debate's first break, CNN moderator John King read off a question: What are the candidates' views on contraception?

Scott Ritter's Other War  —  On a February afternoon in 2009, Ryan Venneman, one of only five full-time police officers in tiny Barrett Township, Pa., decided to spend some time hunting for sexual predators online.  Venneman entered a Yahoo chat room, where the minimum legal age is supposed be 18 …

Do-Over Season  —  Is there really a chance that the Supreme Court might reconsider Citizens United?  —  A week ago, I wouldn't have thought so, and I still think it's an extreme long shot.  But a provocative statement last Friday by Justices Ruth Bader Ginsburg and Stephen G. Breyer makes …

‘Super PAC’ leaders profit from lack of oversight  —  Leaders of some of the new groups are taking advantage of the mammoth donations and the lack of oversight to write themselves big paychecks or hire their own companies.  —  Casino mogul Sheldon Adelson and his family have given millions …

President Obama as an alien  —  They say that President Obama is a Muslim, but if he isn't, he's a secularist who is waging war on religion.  On some days he's a Nazi, but on most others he's merely a socialist.  His especially creative opponents see him as having a “Kenyan anti-colonial worldview …

CNN LIVE EVENT/SPECIAL  —  Full Transcript of CNN ARIZONA REPUBLICAN PRESIDENTIAL DEBATE, 20:00-22:00  —  THIS IS A RUSH TRANSCRIPT.  THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED.  —  UNIDENTIFIED REPORTER: The presidential race has been won by Governor Ronald Reagan of California.