CHICAGO, IL- MAY 07: Democratic presidential hopeful Sen. Barack Obama (D-IL) talks on his cell phone as he boards his campaign plane at Midway Airport en-route to Washington DC, May 7, 2008 in Chicago, Illinois. Senator Obama won the North Carolina Primary beating Sen. Hillary Clinton (D-NY) and lost Indiana primary to Clinton by a small margin. (Photo by Mark Wilson/Getty Images)*** Local Caption *** Barack Obama
