Nyad Fails Cuba-To-Florida Swim Try

Diana Nyad, right, gestures as U.S. Customs and Border Protection agents board her support boat in Key West, Fla., today. The 61-year-old marathon swimmer had to be pulled from the water early Tuesday during a second attempt to swim from Cuba to the Florida Keys. (AP Photo/Florida Keys News Bureau, Rob O’Neal)

Question: Have you tried something big only to fail? Care to tell us about it?