Biggest Stories of 2012

After winning the 200-meter final in enough time to ease up the last few strides (19.32 seconds), Usain Bolt became the first person in history to win a gold medal in the 100m and 200m in back-to-back Olympics. Earlier in the London Games, Bolt won the 100 with a time of 9.63, the second-fastest time in history, behind only his own record of 9.58.