Vanity Fair contributing editor Bethany McLean joins us to discuss her recent article on F.B.I. Director James Comey during the final days of the 2016 presidential election. Playwright Steven Levenson, along with actors Kate Walsh and Jeremy Shamos talk about their new play, “If I Forget.” Director Ted Braun chats about his latest documentary “Betting on Zero,” which focuses on controversial hedge fund manager Bill Ackman and his crusade to expose global nutritional giant Herbalife as the largest pyramid scheme in history. And we speak with Dr. Clifford Bassett about allergies for our latest installment of Please Explain.