The Last Line of Defense

Host Seth G. Jones sits down with Walter Russell Mead to examine the war in Iran, including its political implications, the state of Iran’s nuclear ambitions, and the historical forces shaping the conflict. Drawing on decades of expertise, Mead offers critical historical context and perspective as the Ravenel B. Curry III Distinguished Fellow in Strategy and Statesmanship at Hudson Institute, Global View columnist at The Wall Street Journal, and Alexander Hamilton Professor of Strategy and Statecraft at University of Florida’s Hamilton School for Classical and Civic Education.

Host Seth G. Jones sat down with Ambassador (ret.) Edgard D. Kagan, former U.S. ambassador to Malaysia and newly appointed Senior Adviser and Freeman Chair in China Studies at CSIS. Together, they dissected the recent Trump–Xi meeting, examining how the visit was portrayed in the Chinese media, the challenges behind joint statements, and the dynamics surrounding Taiwan.

Norman Roule is back on the podcast with Seth Jones to provide an update on developments in Iran, including the impact of sanctions and the blockade, an assessment of who is in charge in Tehran, the current state of talks, and the role of Gulf States, Lebanon, and other countries. Mr. Roule served as the national intelligence manager for Iran at the Office of the Director of National Intelligence from November 2008 until September 2017.

Host Seth Jones speaks with Ambassador Ryan Crocker to unpack Iran’s complex political landscape, regional power dynamics, and the role of U.S. allies as the conflict unfolds. Drawing on decades of diplomatic experience, Ambassador Crocker offers a deeply informed perspective shaped by his past service as U.S. Ambassador to Afghanistan, Iraq, Pakistan, Syria, Kuwait, and Lebanon.

Host Seth Jones sits down with General David H. Petraeus, retired U.S. Army general and former director of the CIA, to discuss the latest developments in Iran, including ongoing military operations and the escalating challenge of countering drone and missile threats. They also explore the international response — from Gulf States and NATO allies to China, Russia, and regional proxies — and the wider implications for the Middle East.

Host Seth Jones speaks with Kate Bachelder Odell of The Wall Street Journal about the state of Russia’s war in Ukraine as it nears its fifth year. They discuss recent remarks by J.D. Vance and Marco Rubio, Ukraine’s battlefield resilience, Russia’s mounting casualties, and the prospects for negotiations and a potential peace deal.

Host Seth Jones speaks with Norman Roule, who served as the national intelligence manager for Iran at the Office of the Director of National Intelligence from November 2008 until September 2017. The pair discusses the ongoing protests in Iran, the regime’s response, and potential policy responses from the White House.

Host Seth Jones speaks with Dr. Ryan Berg, Director of the Americas Program and Head of the Future of Venezuela Initiative at CSIS, about Venezuela’s political landscape in the post-Maduro era, examining U.S. policy goals, shifting power structures, and what’s at stake for the country’s new president, Delcy Rodríguez.

Host Seth Jones sits down with Juan Cruz, who served in the U.S. Intelligence Community and on the National Security Council as special assistant to the president and senior director for Western Hemisphere affairs, to discuss the U.S. military’s role in the Venezuela crisis and provide an inside look at Maduro’s armed forces.

Host Seth Jones talks with Mick Ryan, retired Australian Army Major General, about his recent visit to Ukraine's frontlines. They discuss the evolving dynamics of the war, highlighting Ukraine's successes, Russia's challenges, and key developments, including shifts in U.S. policy, the change in air defense posture, and the increasing use of long-range strikes and drones.

In this era of uncertainty, knowledge is power. Hosted by Dr. Seth G. Jones, The Last Line of Defense offers clear and insightful analysis on the latest national security news. Each episode provides practical solutions to the toughest security questions—from war and peace around the world to the role of emerging technology in defense.