Jamaican sprinter Usain Bolt in action Jamaican triple Olympic and world champion Usain Bolt will get an early look at the 2011 World Championships site when he runs in the men’s 100 metres in Daegu, South Korea, on May 19. The race will be the Bolt’s first 100m of the season as well as his first visit to South Korea. It will precede Bolt’s previously announced 200 metres at the...