NEWS:Usain Bolt, Jamaica Win 4x100-Meter Relay Gold Medal, Set World Record

Jamaica's Usain Bolt (R) celebrates after he crossed the finish line in first place in the men's 4x100m relay final ahead of Ryan Bailey of the U.S. during the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. The Jamaican team set a new world record of 36.84 seconds

Usain Bolt put an exclamation point on his performance at the London Olympics with another gold medal and another world record.