A century of failed diplomacy, hostage crises, secret arms deals, war and even murder. Dr. Tevi Troy, an American presidential historian and senior fellow at the Ronald Reagan Institute, joins host Cliff May to unpack his WashingtonExaminer article, "The Presidents and Iran: A History." From the Persian shahs to the Islamic Republic, Troy and May trace 100 years of U.S.-Iran conflict and ask the uncomfortable question: why does each new commander in chief refuse to learn from his predecessor's mistakes?