Serena Williams of the United States, left, looks on as a girl plays a return shot during their ‘Breaking the Mould’ development tennis clinic at the Arthur Ashe Academy in Soweto, South Africa, ... more 
Serena Williams of the United States, left, looks on as a girl plays a return shot during their ‘Breaking the Mould’ development tennis clinic at the Arthur Ashe Academy in Soweto, South Africa, on Saturday Nov. 3, 2012. Serena and sister Venus arrived in Johannesburg on Saturday and are scheduled to play an exhibition match togehter, as well as conducting some tennis sports clinics for children and adults.(AP Photo/Themba Hadebe) less 
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Associated Press | Photo By Themba Hadebe
Sat, Nov 3, 2012 12:09 PM EDT