Diana Nyad on dedication, perseverance and living without regrets

Long-distance swimmer Diana Nyad knows a thing or two about taking on the seemingly impossible. After a 35-year quest and on her fifth attempt, she became the first person, shark-cage free, to swim from Cuba to Florida. “Failure doesn’t feel good,” Nyad says in this exclusive interview. “But … I truly would rather fail over and over again and evolve and become everything I am than succeed in a quick, ungratifying way and never know how far my limits can reach.”