Usain Bolt wins Olympic 200m gold at 19.32 as Jamaica grabs all 3 medals

Jamaica?s Usain Bolt retained his Olympic gold this evening by winning the 200m men?s final at 19.32 seconds. He was followed by his countrymen, Yohan Blake and Warren Weir.  The starting list included Christophe Lemaitre, Alex Quinonez, Yohan Blake,  Churandy Martina, Wallace Spearmon, Usain Bolt, Warren Weir, and Anaso Jobodwana.