Richard Stengel is the former Under Secretary of State for Public Diplomacy and Public Affairs and former managing editor of Time. He joins David to talk about his collaboration with Nelson Mandela on Mandela’s autobiography, Long Walk to Freedom; his tenure at the helm of Time, during which he interviewed Vladimir Putin, Benjamin Netanyahu, Mohamed Morsi, and Julian Assange; and his efforts in the Obama administration to combat disinformation. His new book, Information Wars: How We Lost the Global Battle Against Disinformation and What We Can Do About It chronicles the global spread of disinformation and offers prescriptions on how to combat this ever-growing threat to democracy.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices