At the same 1968 Olympic games during which George Foreman waved an American flag to celebrate his victory, U.S. sprinters Tommie Smith (center) and John Carlos (right) stirred controversy when they gave a Black Power salute on the medals stand to protest racial injustice. (AP Photo)

At the same 1968 Olympic games during which George Foreman waved an American flag to celebrate his victory, U.S. sprinters Tommie Smith (center) and John Carlos (right) stirred controversy when they gave a Black Power salute on the medals stand to protest racial injustice. (AP Photo)