Pretty Sure I Can Fly is a humorous exploration of things that had never been done, until someone did them. It’s a series of weekly conversations about what it takes to break through the barrier of “impossible” and set new standards for human limitation. Pretty Sure I Can Fly is like going to history class, except your teachers are actor, stuntman, and outlaw radio DJ Johnny Knoxville and long-time This American Life contributor Elna Baker. And each week they bring a new guest to tell you all about how they “grabbed the bull by the bunglesteen” or “really hogwrenched that...