Richard Stengel is the former Under Secretary of State for Public Diplomacy in the Obama administration. Prior to going to Washington, Stengel was the editor of TIME for seven years. He was also the president and CEO of the National Constitution Center. In the 1990s, he collaborated with Nelson Mandela on the South African’s autobiography, “Long Walk to Freedom.” He is the author of a number of books, the most recent of which is “Information Wars: How We Lost the Global Battle Against Disinformation.” He is a political analyst for MSNBC.