US Democratic presidential candidate Senator Obama and Senator Clinton greet supporters at a joint campaign rally in Unity

 
US Democratic presidential candidate Senator Obama and Senator Clinton greet supporters at a joint campaign rally in Unity
US Democratic presidential candidate Senator Barack Obama (D-IL) and Senator Hillary Clinton (D-NY) greet supporters at a joint campaign rally in Unity, New Hampshire, June 27, 2008. REUTERS/Jim Young (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)