Three-time Grand Slam winner Kim Clijsters thinks her game is improving as her daughter Jada gets older, allowing the Belgian more time on the practice court. The former world No. 1 won the 2009 U.S. Open just three weeks into her comeback after a 2 1/2 -year retirement, during which she gave birth. She defended her title at Flushing Meadows in September -- joined by Jada on center court after both... More...