Bloggingheads: Why Hillary Persists - Experts are baffled

Robert Wright of Bloggingheads.tv and Ana Marie Cox of Time.com's Swampland blog debate whether Hillary Clinton will drop out of the race.

Daniel Drezner of Tufts University and Megan McArdle of The Atlantic debate how sexism and gender have affected Hillary Clinton's presidential run.

Jonathan Chait of The New Republic, left, and David Greenberg of Slate debate whether Hillary Clinton's stance as a partisan figure bolsters her case.

Michael Tomasky, left, of Guardian America and Byron York of National Review discuss Hillary Clinton's increased likelihood of winning the Democratic nomination.

Bloggers Jeralyn Merritt, left, and Ann Althouse debate whether Hillary Clinton uses her gender or is abused for it.

Jane Hamsher of the blog Firedoglake and Brink Lindsey of the Cato Institute discuss what Hillary Clinton's female supporters will do.

Robert Wright of Bloggingheads.tv, left, and former Secretary of Labor Robert Reich discuss the possibility of superdelegates giving the election to Hillary Clinton.

Joshua Cohen of Stanford University, left, debates Glenn Loury of Brown on whether Barack Obama or Hillary Clinton would be more effective in the White House.

Journalists Michael Tomasky (l), of Guardian America, and Byron York (r), of the National Review, on whether Hillary Clinton's rivals can find a vulnerability.

Robert Wright (l), author of "The Moral Animal," and Mickey Kaus (r), author of Slate.com's Kausfiles, debate Barack Obama's new strategy of aggressively engaging Hillary Clinton.