US Democratic presidential candidate and US Senator Barack Obama, (D-IL), reacts as he is introduced for a campaign rally in Crow Agency

 
US Democratic presidential candidate and US Senator Barack Obama, (D-IL), reacts as he is introduced for a campaign rally in Crow Agency
US Democratic presidential candidate and US Senator Barack Obama, (D-IL), reacts as he is introduced for a campaign rally in Crow Agency, Montana May 19, 2008. REUTERS/Rick Wilking (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)