Chinese superstar Liu Xiang (pictured here, L, in Japan on May 6) faces a huge test of his Olympic credentials when he lines up against reigning 110m hurdles world champion Jason Richardson at ... more 

Chinese superstar Liu Xiang (pictured here, L, in Japan on May 6) faces a huge test of his Olympic credentials when he lines up against reigning 110m hurdles world champion Jason Richardson at Shanghai's Diamond League meeting on Saturday less