London 2012 - Usain Bolt leads the Jamaican sprint team in sweeping the medals in the men’s 200m with Yohan Blake in silver and Warren Weir (shown) finishing third for bronze. Also seen is 8th place finisher Anaso Jobodwana of South Africa.Usain Bolt of Jamaica, the fastest man alive, crosses the 100m finish line in 9.64s in front of 80,000 spectators - and the Olympic flame.Usain Bolt strikes a pose to celebrate his second gold medal in his second event run, the men’s 200m sprint.