Erik Weihenmayer has a long history of turning obstacles into adventures. Born with a rare condition that blinded him as a teenager, he never let his diagnosis hold him back from a full life. As an athlete, explorer, speaker and activist, he has opened the eyes of people around the world to what's possible. In 2001, he became the first blind man to climb Mount Everest, the highest point on Earth. In 2005, he co-founded his nonprofit organization,...