Nicole Bengiveno, the New York TimesLong-term goal Diana Solstice, a marathon swimmer, hopes that the first person from Cuba to key will to cross West without a shark cage. «More photos»KEY WEST, FLA. -Every day, Diana Solstice is set out to do something, no athlete has ever done: swimming, all day and all night then all day and all night, then all day again.Are swim about 60 hours in the roiling sea, 103 km of the Florida straits from Cuba to key West. Every hour and a half, stops water for a few minutes to enter it, as she gulps down a liquid mixture of predigested protein and an occasional bit of banana or BLOB eating peanut butter. You most probably hallucinating and endure the spines of many jellyfish. On the way, is sea salt swell their...