Servet Tazegul of Turkey won the Olympic gold medal Thursday in the 68-kilogram class of men\'s taekwondo. Mohammad Bagheri Motamed of Iran took the silver. The bronze medal winners were Terrence Jennings of the United States and Rohullah Nikpah of Afghanistan. Nikpah is the only Olympic medal winner in his country\'s history, having also won a bronze medal in 2008.