From left United State's Quentin Summers, Chris Carter, Justin Oliver and Bryshon Nellum pose for photographs after winning the final of the Men's 4x400 Meters Relay event of the IAAF Track and Field World Junior Championships held in Beijing, China, Sunday, Aug 20, 2006. The United States team clinch the gold medal with a time of 3:03.76 minutes. (AP Photo/Ng Han Guan)