President Barack Obama, right, shakes hands with former President Bill Clinton, left, as New Hampshire Gov. John Lynch, center, watches on stage together during a campaign event at Capitol Square, Sunday, Nov. 4, 2012, in Concord, N.H.  (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

President Barack Obama, right, shakes hands with former President Bill Clinton, left, as New Hampshire Gov. John Lynch, center, watches on stage together during a campaign event at Capitol Square, Sunday, Nov. 4, 2012, in Concord, N.H. (AP Photo/Pablo Martinez Monsivais)