Liu Xiang was China's biggest hope at the Bird's Nest. The Games really won't be the same without him.
The fact that Bolt broke a world record challenges popular fears that poor air quality would mean poor performance at the 2008 Beijing Olympic Games.
Jordan Hasay set an American high school record, breaking the old time by almost two full seconds, and Oregon track fans proved their reputation again.
One misstep and they become the instant poster boys (and girls) for all that's allegedly wrong with sport and society.
It won't make her any less the cheater that she was, but her voluntary return of the medals will add real meaning to her public apology.