PHILADELPHIA - MARCH 18: Democratic Presidential candidate Sen. Barack Obama (D-Il) speaks during a major address on race and politics, March 18, 2008 at the National Constitution Center in Philadelphia, Pennsylvania. Obama rejected the controversial statements by his pastor Rev. Jeremiah Wright and spoke of the need to move beyond the racial divide. Getty Images logo Getty Images 20 months ago

PHILADELPHIA - MARCH 18: Democratic Presidential candidate Sen. Barack Obama (D-Il) speaks during a major address on race and politics, March 18, 2008 at the National Constitution Center in Philadelphia, Pennsylvania. Obama rejected the controversial statements by his pastor Rev. Jeremiah Wright and spoke of the need to move beyond the racial divide.