Democratic presidential candidate U.S. Senator Barack Obama (D-IL) greets supporters in Council Bluffs, Iowa

 
Democratic presidential candidate U.S. Senator Barack Obama (D-IL) greets supporters in Council Bluffs, Iowa
Democratic presidential candidate U.S. Senator Barack Obama (D-IL) greets supporters in Council Bluffs, Iowa, November 24, 2007. REUTERS/Carlos Barria (UNITED STATES)