Democratic presidential candidates (L-R) former U.S. Senator Mike Gravel (D-AK), U.S. Senator Chris Dodd (D-CT), former U.S. Senator John Edwards (D-NC), U.S. Senator Hillary Rodham Clinton (D-NY), U.S. Senator Barack Obama (D-IL), New Mexico Governor Bill Richardson, U.S. Senator Joe Biden (D-DE) and U.S. Congressman Dennis Kucinich (D-OH) pose before participating in a debate at Saint Anselm College in Manchester, New Hampshire June 3, 2007. REUTERS/Lisa Hornak (UNITED STATES)