U.S. President Obama is introduced by former U.S. President Bill Clinton at an election campaign rally in Concord

 
U.S. President Obama is introduced by former U.S. President Bill Clinton at an election campaign rally in Concord
U.S. President Barack Obama (L) is introduced by former U.S. President Bill Clinton at an election campaign rally in Concord, New Hampshire, November 4, 2012 REUTERS/Jason Reed