Peter Norman, the Australian sprinter who shared the medals podium with Tommie Smith and John Carlos while they gave their black power salutes at the 1968 Olympics, died Tuesday of a heart attack. He was 64. Athletics Australia chief executive Danny Corcoran announced his death. Norman won the silver medal in the 200 meters at the Mexico City Games. Smith set a world record in winning the gold medal and Carlos took the bronze, and their civil rights protest became a flash point of the Olympics. Smith and Carlos stood shoeless, each wearing a black glove on his raised, clenched...