Rafael Nadal sits alone at the sports' pinnacle. The new world No. 1 evolved from a dirt specialist to a grass master, pulling off the arduous European Grand Slam double. But does he have enough left to surmount the daunting U.S. Open hard courts?
The only thing Roger Federer has no control over at Wimbledon is the weather. The four-time defending champ was well on his way to his 50th straight grass-court victory when rain suspended Federer's second-round match.