Democratic presidential hopeful Sen. Barack Obama D-Ill., center, shakes hands with Sen. Jay Rockefeller D-W.Va., as he steps off the plane in Charleston, W.Va., Thursday, March 20, 2008. (AP Photo/Alex Brandon)
Democratic presidential hopeful Sen. Barack Obama D-Ill., talks with photographer Annie Leibovitz at the airport in Charleston, W.Va., Thursday, March 20, 2008. (AP Photo/Alex Brandon)
US Democratic presidential candidate Senator Barack Obama (D-IL) speaks to supporters during a campaign stop at the University of Charleston in Charleston, West Virginia, March 20, 2008. REUTERS/John Sommers II
Democratic presidential hopeful, Sen. Barack Obama D-Ill., speaks at the University of Charleston, Thursday, March 20, 2008, in Charleston, W.Va. (AP Photo/ Jeff Gentner)
Democratic presidential hopeful Sen. Barack Obama D-Ill., greets supporters after speaking about Iraq and the economy, Thursday, March 20, 2008, at the University of Charleston in Charleston, W.Va.
(AP Photo/Alex Brandon)
Democratic presidential candidate Senator Barack Obama waves to the crowd after speaking to supporters during a campaign stop at the University of Charleston in Charleston, West Virginia, March 20, 2008.
REUTER/John Sommers II (Reuters)