Jamaica's Usain Bolt is celebrating an OIympic milestone. Bolt finished in 19.32 seconds to win the gold medal in the men's 200-meters for the second straight Olympics. Combined with back-to-back wins in the 100-meters, he's the first man to win both the 100 and 200-meter sprints in consecutive Summer Games. Jamaica's Yohan Blake finished in 19.44 seconds to win silver, while teammate Warren Weir won bronze with a time of 19.84. American Wallace Spearmon finished fourth.