Democratic presidential hopeful Sen. Barack Obama, D-Ill., and his wife Michelle react to the crowd in Raleigh, N.C., after Obama won the North Carolina Democratic presidential primary Tuesday, May 6, 2008. Democratic presidential candidate Senator Barack Obama (D-IL) waves to supporters at an outdoor rally in Indianapolis late May 5, 2008. Supporters of Democratic presidential candidate Senator Barack Obama (D-IL) hold a sign on state route 31 in Kokomo, Indiana May 6, 2008. Democratic presidential candidate Senator Barack Obama (D-IL) is reflected in a mirror as he speaks to diners at the Four Seasons family restaurant in Greenwood, Indiana, May...