cte. 12 of 13 former nfl players that we ve studied have had the disease when they died. we found it in a 21-year-old captain of the university of pennsylvania football team who committed suicide in april without ever having a concussion, he already had the disease. so there s a lot we don t appreciate about brain trauma. that s why this meeting in new york is so great. the nfl is convening the right experts, including my co-founder of sli, dr. robert canton. thank you for the work that you re doing. football is a tough sport, but it doesn t have to be a deadly one or one that makes you suffer the rest of your life after you re done. thank you, chris. coming up, mark sanford s ahaa ha fair wrecked his marriage, but did it help him out politically? hear what he s saying now. and disaster avoided. two jet blue planes nearly crashed into each other, but a quick-thinking air traffic controller jumped into action.