North Korea is the impossible state. For over 45 years no American president has figured it out. Now, the stakes may be higher than ever as Donald Trump and the Trump administration come to the negotiating table. Each week join the people who know the most about North Korea—The Center for Strategic and International Studies’ Victor Cha, Mike Green, and Sue Mi Terry—for an insider’s discussion with host H. Andrew Schwartz about the United States’ top national security priority.