President Barack Obama, center, shakes hands with supporters after speaking at a campaign fundraiser for Senate Majority Leader Harry Reid D-Nev., in Las Vegas, Thursday, July 8, 2010.(AP Photo/Pablo Martinez Monsivais)
President Barack Obama, left, waves at a campaign fundraiser for Senate Majority Leader Harry Reid D-Nev., right, in Las Vegas, Thursday, July 8, 2010.(AP Photo/Pablo Martinez Monsivais)
Senate Majority Leader Harry Reid of Nev. holds up a copy of the Constitution during his tribute at a memorial service for Sen. Robert Byrd, Friday, July 2, 2010, at the West Virginia State Capitol in Charleston, W.Va. (AP Photo/Gene J. Puskar)
Senate Majority Leader Harry Reid, Nevada Democrat, was forced to keep all 60 members of his caucus in Washington over a December 2009 weekend to overcome a Republican filibuster. (AP Photo)