There has been a lot of conjecture as to the fate of China’s most beloved star, and his result in one of the most anticipated medal races. You’ve heard the two most popular hypotheses: that Liu Xiang will repeat his gold-medal performance in Athens, or he will choke under the pressure of 1.3 billion people demanding that his lightning strike twice. But in an astonishing twist worthy of an O. Henry award, China’s prized hurdler has withdrawn from competition without crossing a single hurdle.