CNN New Day September 9, 2013 10:52:00
Skeptics speaking to national geographic, bloging point to one 9-hour stretch when nyad sped up to more than twice her average speed. they want her gps, drinking data released to verify her claim of conquering a swim once considered impossible. cnn reached out to nyad's team, to promise a point-by-point response. a historic life quest. the fifth time the charm. now 64, she's tried to conquer this stretch of ocean since she was 29-years-old barely able move, she spoke to cnn's dr. sanjay gupta hours after her record breaking feat. >> you know what is so great about it, sanjay, it's all authenti...