Nightly News
| August 21, 2012
Swimmer Diana Nyad: ‘I am not a quitter’
Suffering from exhaustion, hypothermia and swollen lips, Nyad was forced to end her attempted 103-mile crossing from Cuba to Key West. It was her fourth attempt to swim from Cuba to Florida without a shark cage – and had she succeeded, she would have been the first person to do so. NBC’s Mark Potter reports.