Michael Phelps, the most decorated Olympics athlete in history, narrates this one-hour documentary, and is one of its executive producers. It’s about the costs, emotional even more than physical, of athletes training to compete as the best in the world in their respective sports. Phelps and other Olympic athletes, including Apolo Anton Ono, Sean White and Sasha Cohen, are interviewed – some who stood atop the podium, some who fell short. And rather than being inspirationally upbeat,&