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US swimmer Natalie Coughlin talks during a press conference on the eve of the start of the swimming competition at the FINA World Championships in the indoor stadium of the Oriental Sports Centre in Shanghai on July 23, 2011. AFP PHOTO / PHILIPPE LOPEZ (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)

U.S. swim star Natalie Coughlin

Eleven-time Olympic medalist Natalie Coughlin wants gold in London.