Former U.S. President Bill Clinton greets supporters during a campaign rally in Waterloo

 
Former U.S. President Bill Clinton greets supporters during a campaign rally in Waterloo
Former U.S. President Bill Clinton greets supporters after talking about his wife Democratic Presidential candidate Senator Hillary Clinton (D-NY) during a campaign rally in Waterloo, Iowa, December 18, 2007. REUTERS/Keith Bedford (UNITED STATES)