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AP - Former U.S. President Bill Clinton, right, reacts after speaking with Philippe Douste-Blazy, special advisor to the U.N. Secretary-General and UNITAID board chairman, during a Clinton Foundation event in Dakar, Senegal, Sunday, Aug. 3, 2008. Senegal was the final stop of Clinton's four-country African tour to promote his foundation's initiatives to fight HIV/AIDS and malaria. (AP Photo/Rebecca Blackwell)