• AP Photo/Ramon Espinosa
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    U.S. swimmer Diana Nyad adjusts her swimming cap as a woman applies a protective ointment to her skin as she prepares to jump into the water and start her swim to Florida from Havana, Cuba, Saturday, Aug. 18, 2012. Endurance athlete Nyad launched another bid Saturday to set an open-water record by swimming from Havana to the Florida Keys without a protective shark cage.