Men's tennis. The gold medal match, which is going on right now, pits Mardy Fish against Nicholas Massu. Who, you ask? No Andy Roddick, no Roger Federer. Oh, they were there, but the top men didn't do as well here at the Olympics as they would at one of the Grand Slam tournaments, like, say, the US Open, which starts in a little over a week. Could it be that they take a tournament that rewards with medals more lightly than those that pay in cold, hard cash?