General H.R. McMaster served as a commissioned officer in the US Army for thirty-four years. He retired as a Lieutenant General in 2018 after serving as the United States 26th National Security Advisor. Today, McMaster is the Fouad and Michelle Ajami Senior Fellow at the Hoover Institution, Stanford University. He is also the Bernard and Susan Liautaud Fellow at the Freeman Spogli Institute and lecturer at Stanford University’s Graduate School of Business. McMaster designed the future army as the director of the Army Capabilities Integration Center and the deputy commanding general, futures, of the US Army Training and Doctrine Command (TRADOC). As commanding general of the Maneuver Center of Excellence at Fort Benning, he oversaw all training and education for the army’s infantry, armor, and cavalry force. He has commanded organizations in wartime including the Combined Joint Inter-Agency Task Force—Shafafiyat in Kabul, Afghanistan, from 2010 to 2012; the Third Armored Cavalry Regiment in Iraq from 2005 to 2006; and Eagle Troop, Second Armored Cavalry Regiment in Operation Desert Storm from 1990 to 1991. McMaster also served overseas as advisor to the most senior commanders in the Middle East, Iraq, and Afghanistan. He is author of the bestselling books Battlegrounds: The Fight to Defend the Free World and Dereliction of Duty: Lyndon Johnson, Robert McNamara, the Joint Chiefs of Staff and the Lies that Led to Vietnam. McMaster is the host of Battlegrounds: International Perspectives on Crucial Challenges and Opportunities In this interview, I speak to General H. R. McMaster, Former National Security Advisor to the United States. We discuss the current state of global security, the security and foreign policy challenges facing our world, and whether we should be hopeful for the future of global peace.