Usain Bolt Leads Jamaica to 4X100M Relay World Record, As USA Relay Curse Continues

Usain Bolt leads Jamaica to a new 4X100m relay world record, clocking 37.04 seconds, to end the IAAF Championships in Daegu, South Korea, while U.S.A. falls to the relay curse once again! Great work by the Jamaicans. Usain Bolt and his team mates Nesta Carter, Michael Frater and Yohan Blake did the "No Problem Mon" island proud!