Serena Williams of the U.S., left, after her tennis victory against Maria 

Serena Williams of the U.S., left, after her tennis victory against Maria Sharapova of Russia, right, on the final of the WTA Championships in Istanbul, Turkey, Sunday, Oct. 28, 2012. (AP Photo)
Associated Press
Serena Williams of the U.S., left, after her tennis victory against Maria Sharapova of Russia, right, on the final of the WTA Championships in Istanbul, Turkey, Sunday, Oct. 28, 2012. (AP Photo)
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