Democratic presidential candidate Senator Barack Obama (D-IL) addresses his supporters during a campaign speech at Columbus East High School in Columbus

 
Democratic presidential candidate Senator Barack Obama (D-IL) addresses his supporters during a campaign speech at Columbus East High School in Columbus
Democratic presidential candidate Senator Barack Obama (D-IL) addresses supporters during a campaign stop at Columbus East High School in Columbus, Indiana, April 11, 2008. REUTERS/John Sommers II (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)