Democratic presidential hopeful Sen. Hillary Rodham Clinton, D-N.Y., speaks with Sen. Sherrod Brown, D-Ohio, an uncommitted Democrat Superdelegate, Tuesday, May 13, 2008, outside the Senate Chamber on Capitol Hill in Washington Supporters of Democratic presidential hopeful Sen. Hillary Rodham Clinton, D-N.Y., greets supporters during a campaign rally in Logan, W.Va., Monday, May 12, 2008. Supporters of US Democratic presidential candidate Senator Hillary Clinton (D-NY) sit in the bleachers under a flag as they watch her (not pictured) work the crowd at the end of her campaign rally at Logan Middle School in West Virginia, May 12, 2008. Democratic presidential hopeful...