Amy Poehler; Atul Gawande; Michael Waldman

Actor Amy Poehler shares her new memoir, "Yes Please." Surgeon and staff writer for the New Yorker Atul Gawande shares his new book, "Being Mortal: Medicine and What Matters in the End." Michael Waldman, president of Brennan Center for Justice at NYU School of Law, shares his new book, "The Second Amendment: A Biography."