Tennis' First Lady, Davis Cup Begins, Djokovic Rules, Delpo Comeback

Lauren Lynch reports the latest news in tennis. First Lady Michelle Obama begins "Let's Move" campaign with Andre Agassi announced at the BNP Paribas Showdown. Novak Djokovic soldifies the Serbian team of strong players Janko Tipsarevic, Viktor Troicki, and Nenad Zimonjic against India at the Davis Cup. Juan Martin Del Potro aka Delpo has risen from 485 in the world to 89 for a fast comeback and win in Delray Beach.

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