Life on the Wire: A conversation with Nik Wallenda, plus revisiting the Marshmallow Experiment

Summary: In this episode Joshua David Stein is joined by Nik Wallenda, a seventh-generation highwire walker. Wallenda opens up about self-doubt, family tragedy and why he encouraged his son to join the Marines. Plus, science editor Josh Krisch on what the famous Marshmallow Experiment really teaches us and a live musical performance from the What's Cooking Hot Two.