FILE - In this March 7, 1972, file photo, Robert Ouko, left, and Julius Sang, both of Kenya, run through their stance at the starting line n Durham, N.C., as LeRoy Walker, track coach at North Carolina Central University, watches their progress. Walker, the first African-American to lead the U.S. Olympic Committee and the first black man to coach an American Olympic team died Monday, April 23, 2012. He was 93. Walker's death was confirmed by Scarborough & Hargett Funeral home, but no cause of death was given. (AP Photo/File)