Caroline Wozniacki warmed up a couple times, read a book and talked to her friends and family as she waited for her U.S. Open semifinal to start Saturday. She even managed to take a nap. This Great Dane is one cool customer. Wozniacki advanced to her first Grand Slam final with a 6-3, 6-3 victory over Yanina Wickmayer, using her speed and steady play to overcome an early break in the final set. More...