Roger Federer's 2008 woes continued as he was upset today by American James Blake in the Olympic competition. This was a terrific win for Blake, who previously had taken but one set from Federer in eight matches. This result advances Blake to the semifinals, meaning he's one of four players vying for three medals. Should he win against Chile's Francisco Gonzalez, he'll be assured at least the silver. In the other half of the draw, Rafa Nadal and Novak Djokovic will meet. Can we assume right now these two are the best two players in the world, at least based on current form?