U.S. Democratic presidential nominee Senator Obama waves to the press as he walks to his campaign aircraft in Columbia

 
U.S. Democratic presidential nominee Senator Obama waves to the press as he walks to his campaign aircraft in Columbia
U.S. Democratic presidential nominee Senator Barack Obama (D-IL) (R) waves to the press as he walks to his campaign aircraft in Columbia, Missouri, October 31, 2008. Obama is campaigning in Iowa and Indiana on Friday before the November 4 presidential election. REUTERS/Jason Reed (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)