Liu once held the world mark when he finished in 12.88 seconds during a race in July 2006. Nearly two years later -- just before the 2008 Beijing Olympics -- Robles took the record. And there it ...

Olympic champion Liu Xiang heads back to school (AP) Updated: 2005-09-29 14:52. He's got the Olympic gold. Now Chinese hurdler Liu Xiang is targeting another honor _ Doctor of sports management.