In this photo provided by the Florida Keys News Bureau, endurance swimmer Diana Nyad waves to her team after swimming a short distance from a support boat to shore in Key West, Fla., Tu

 

              In this photo provided by the Florida Keys News Bureau, endurance swimmer Diana Nyad waves to her team after swimming a short distance from a support boat to shore in Key West, Fla., Tu
In this photo provided by the Florida Keys News Bureau, endurance swimmer Diana Nyad waves to her team after swimming a short distance from a support boat to shore in Key West, Fla., Tuesday, Aug. 21, 2012. Nyad failed in a fourth attempt to complete a swim across the Florida Straits from Cuba to the Florida Keys. (AP Photo/Florida Keys News Bureau, Andy Newman)