** FILE ** Then-Sen. Barack Obama (second from left) looks on as the Rev. Fred L. Shuttlesworth (in wheelchair) greets former President Bill Clinton in Selma, Ala., in March 2007. (AP Photo/The Birmingham News, Linda Stelter)

Photo by: Linda Stelter

** FILE ** Then-Sen. Barack Obama (second from left) looks on as the Rev. Fred L. Shuttlesworth (in wheelchair) greets former President Bill Clinton in Selma, Ala., in March 2007. (AP Photo/The Birmingham News, Linda Stelter)