A live defense-tech discussion centered on policy, incentives, and modern war fighting.
The live episode from the Reagan National Defense Forum makes a solid case for how defense capital, policy, and war-fighting incentives intersect.

Fast arguments for a dangerous world.
Fault Lines turns current national-security news into brisk, argumentative roundtables. Its rotating NSI panel weighs strategy, law, politics, and power with enough banter to keep the room moving.
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Fault Lines is a rapid national-security roundtable focused on the foreign policy fights shaping Washington and the wider world. It does not move like a scripted explainer. A topic is put on the table, a panelist builds a case, and another voice quickly complicates it. The result is a show that feels closer to a working policy conversation than a lecture. Recent episodes are dominated by Iran, including the Strait of Hormuz, ceasefire terms, energy disruption, sanctions, military escalation, and the wider costs of war. The panel keeps returning to leverage. Who has it, who is pretending to have it, and what happens when public threats meet hard geography or hostile governments. That same lens carries into discussions of Israel and Lebanon, Hezbollah’s role, and U.S. attempts to strengthen the Lebanese state. China’s South China Sea island-building becomes a test case for international law, deterrence, and whether rules still constrain major powers. Hungary’s election opens questions about populism, Russian influence, and the reach of Trump-aligned politics abroad. Artemis II gives the show a different register, using space exploration to talk about alliances, American leadership, and national imagination. The tone is serious but not sterile. Panelists interrupt, tease, challenge, and occasionally make the argument sharper by making it less polished. Fault Lines is at its best when the conversation reveals how foreign policy debates overlap with domestic incentives, alliance management, military risk, and public messaging. It expects listeners to keep up, but it generally explains the moving pieces without turning basic context into homework. The show is especially useful for people who want more than headline recap but less than a formal policy paper. It favors strong positions, quick reactions, and strategic framing. It also shows how uncertain events can look from inside a room full of people used to arguing about state power. The appeal is the friction. Fault Lines makes national security feel like a live dispute among people trying to decide what the next move should be.
Made for: For listeners who track foreign policy, defense, diplomacy, and Washington power politics and want a sharper read on fast-moving events. It fits people comfortable with policy terms, military context, and spirited disagreement.
What sets it apart: The show’s edge is its panel chemistry: national-security analysis delivered through challenge, interruption, and practical argument. It connects military developments, elections, alliances, sanctions, and presidential messaging in one fast conversation.
Fault Lines, the National Security Institute’s flagship podcast, gets you quickly up to speed, three-times-a-week, on the national security and foreign policy debates shaking up America. Our regular cast of foreign policy experts includes NSI Founder and Executive Director Jamil N. Jaffer, NSI Advisory Board Member Lester Munson, and NSI Senior Fellows Morgan Viña, and Jessica Jones. Tune in to learn more about the issues dominating headlines and the news stories you may have missed. Hosted on Acast. See acast.com/privacy for more information.
Based on 4 episodes we listened to · September 2026
Fault Lines makes national security choices legible by pairing institutional detail with open disagreement over strategy, law and American power.
Fault Lines turns national security policy into a candid roundtable, with Jessica Jones, Lester Munson and other NSI fellows pressing one another on the assumptions behind American power.
A holiday party detours through the Monroe Doctrine while you wait with Jessica Jones for the aliens.
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Short reviews from the PlayNext desk, based on the episodes we processed.
A live defense-tech discussion centered on policy, incentives, and modern war fighting.
The live episode from the Reagan National Defense Forum makes a solid case for how defense capital, policy, and war-fighting incentives intersect.
A 500th-episode look back at 9/11 and the policy fight that followed.
Fault Lines marks its 500th episode by returning to the show's start and to the national security debates that followed 9/11. Martha Miller brings back Jameel Jaffer, then talks with Lester Munson, Morgan Binia, and Jessica Jones in a conversation that looks back at the attacks…
Antelope Reef becomes a test case for power, law, and the limits of international norms.
Fault Lines uses China's island-building in the South China Sea to frame a clear discussion of power, territory, and the limits of international law.
A holiday panel that turns year-end national-security debates into lively argument.
Fault Lines gives its holiday episode a lively, table-thumping panel, with Jessica Jones, six NSI fellows, Christmas hats, and a running joke about snacks.


Deterrence theory, applied to current threats.

Naval power, argued from the machinery up.

The seam between people in uniform and everyone else.
Fault Lines marks its 500th episode with a panel discussion on the 24th anniversary of 9/11.
Jessica Jones opens the special holiday episode with a table full of NSI fellows and experts.
Fault Lines episode 580 examines China's construction of Antelope Reef, a new artificial island in the South China Sea.
Fault Lines episode 616 features Lester Munson, John Lipsy, and Rich Goldberg analyzing renewed U.S.-Iran hostilities around the Strait of Hormuz and their effects on oil markets.
Fault Lines Episode 615 examines the NATO summit in Ankara with Lester Munson, John Lipsy, and retired General and Ambassador Doug Lute.
Fault Lines Episode 612 examines possible U.S.
This episode examines the escalating tensions between the Trump administration and Pope Leo XIV over U.S.
This episode discusses the historic direct negotiations between Israel and Lebanon, brokered by U.S.
This episode analyzes the implications of Viktor Orbán's electoral defeat in Hungary after 16 years as prime minister, focusing on its impact on global populism and U.S.
This episode discusses China's construction of artificial islands like Antelope Reef in the South China Sea for military purposes and its implications for regional security and U.S.-China relations.
This episode analyzes the recent ceasefire between the U.S.
A roundtable discussion with national security experts reviewing the biggest stories of 2025, focusing on multiple peace deals brokered by the new U.S.
This episode features an interview with Ambassador Alexander Yu, Taiwan's representative to the U.S., discussing Taiwan's perspective on regional security, deterrence strategies, and the challenges posed by China in the Indo-Pacific.
Jessica Jones and Jamil Jaffer are live at the Reagan National Defense Forum.
This episode features an interview with Congressman Don Bacon, a retired Air Force brigadier general and bipartisan national security leader, discussing modern deterrence, defense innovation, and military quality of life issues at the Reagan National Defense Forum.
This episode features an interview with Lieutenant General H.R.
This episode features an interview with Dan Jablonsky, CEO of URSA Major, discussing aerospace technology and modern deterrence strategies at the Reagan National Defense Forum.