What can parents learn from the success of tennis star Roger Federer? When is grit a problem? Should travel soccer get the boot? What’s the best predictor of success in the business world? Is it better to be a frog or bird? And what should every graduate know about the road ahead? On this week’s show, we explore those questions and more with David Epstein, author of the New York Times bestseller Range: Why Generalists Triumph in a Specialized World.