World and Olympic record holder Vincent

Vincent Hancock won his second straight Olympic gold medal. (Marwan Naamani -- AFP/Getty Images)

Vincent Hancock won his second straight Olympic gold medal. (Marwan Naamani — AFP/Getty Images)

World and Olympic record holder Vincent Hancock of the United States waits for his turn to compete in the men’s skeet shooting qualification of the London 2012 Olympic Games at the Royal Artillery Barracks in London, on July 31, 2012. AFP PHOTO/MARWAN NAAMANIMARWAN NAAMANI/AFP/GettyImages