Novak Djokovic is happy off the court -- and playing well on it at the U.S. Open

NEW YORK -- Novak Djokovic was in a crouch, waiting for his opponent's serve, when he heard a voice yell out from the crowd. "I love you, Novak!" boomed the woman's voice during Djokovic's first-round U.S. Open match at Arthur Ashe Stadium. He stayed in position, but reached one hand behind his back to give a thumbs-up.