President Barack Obama walks to the podium as former President Bill Clinton waves to the crowd at right during a campaign event in the State Capitol Square, Sunday, Nov. 4, 2012, in Concord, N.H. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

President Barack Obama walks to the podium as former President Bill Clinton waves to the crowd at right during a campaign event in the State Capitol Square, Sunday, Nov. 4, 2012, in Concord, N.H. (AP Photo/Carolyn Kaster)