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Artwork for Fault Lines
Iran
Russia
China
United States
Ukraine
Trump Administration
NATO
National Security
Donald Trump
Israel
President Trump
Middle East
Tariffs
Venezuela
European Union
Greenland
Hamas
U.S. Foreign Policy
Gaza
Taiwan

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 l... more

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Artwork for Fault Lines

Latest Episodes

Today, John, Andy, Andrew, and Matt break down the new AI Executive Order, which dropped yesterday after weeks of interagency debate and a last-minute halt before its original signing ceremony. The order tasks DHS with facilitating AI tool access for... more

Today, John, Amy, Algene, and Andy break down Defense Secretary Pete Hegseth's address at the Shangri-La Dialogue, where he outlined the administration's strategy for the Indo-Pacific. Hegseth struck a softer tone than last year, framing U.S. allianc... more

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Today, Les, Algene, and John dig into the murky details of a reported Memorandum of Understanding between U.S. and Iran— a document that Iran refutes, hasn't been signed by Trump, and hasn't actually been seen by the public. A controlled leak to Axio... more

YouTube

Today, Les, Algene, Andy, and John mark Fault Lines' 600th episode by returning to one of the show's defining subjects — Iran — as a proposed deal reportedly nears completion even as the two countries exchange fire. The Trump administration wants out... more

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Key Facts

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Number of Listeners
Find out how many people listen to this podcast per episode and each month.

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Recent Guests

Marc Raimondi
Guest discussing security implications and trade-offs
ESPN journalist (context inferred)
Episode: Fault Lines Episode 594: The Beijing Summit's Fine Print
John Lipsy
Senior Fellow, NSI
National Security Institute
Episode: Fault Lines Episode 593: Cracks in the Kremlin
Matt Hayden
Senior Fellow, NSI
National Security Institute
Episode: Fault Lines Episode 593: Cracks in the Kremlin
Jamie Jackson
Visiting Fellow
Episode: Fault Lines Episode 575: Pakistan, the Resurgence No One Saw Coming
Alexander Yu
Taiwan's representative to the United States with over 35 years of diplomatic experience
Taiwan
Episode: Episode 539: Live from RNDF: Ambassador Yui
Mina Faltas
Founder and Chief Investment Officer of Washington Harbour Partners, with nearly 25 years of experience in the investment field
Washington Harbour Partners
Episode: Episode 538: Live from RNDF: Mina Faltas and Dmitri Alperovitch
Dmitri Alperovitch
Chairman of Silverado Policy Accelerator, Co-Founder and former CTO of CrowdStrike, and NSI Advisory Board member
Silverado Policy Accelerator
Episode: Episode 538: Live from RNDF: Mina Faltas and Dmitri Alperovitch
Don Bacon
Five-term Congressman and retired US Air Force Brigadier General
U.S. House of Representatives, representing Nebraska's Second District
Episode: Episode 537: Live from RNDF: Congressman Don Bacon
H.R. McMaster
25th Assistant to the President for National Security Affairs, noted military strategist and author
Episode: Episode 536: Live from RNDF: Lt. Gen. H.R. McMaster

Hosts

Jessica Jones
Host of the flagship NSI podcast, Senior Fellow; frequent contributor to the NSI show and Fault Lines.
Lester Munson
Advisory Board Member; co-hosting discussions and framing topics.
Morgan Viña
Host and NSI Senior Fellow; provides analysis and questions.

Reviews

4.5 out of 5 stars from 62 ratings
  • Love it!

    The revamp is amazing. It is snappy, informative, entertaining and the hosts all have a great dynamic! A must listen!

    Apple Podcasts
    5
    Gwco123
    United States3 years ago
  • Love the revamp

    Short, spicy, and informative.

    Apple Podcasts
    5
    NUSU HN
    United States3 years ago
  • Great

    Podcast Addict
    5
    DaniDani
    4 years ago
  • Great

    Podcast Addict
    5
    Dani
    4 years ago
  • The “View” of podcast.

    The podcast is essentially the podcast version of the television show “The View.” They have 1 or 2 moderate republicans to seem kike they are looking at issues from both sides but it's mostly made-up of liberal democrats. The podcast also has very few Realists on the podcast. People like Jamil can be right. I actually agree with him on numerous issues, yet he never accepts when he's wrong, like his devotion to the Bush Era policies.

    Apple Podcasts
    1
    Jon 802
    United States4 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Fans value timely coverage of global events and practical policy implications for decision-makers.
Some listeners critique coverage as partisan or overly opinionated, suggesting a need for more balanced viewpoints on certain episodes.
High-caliber guests and clear, concise analysis are repeatedly praised by listeners.
The show's format and momentum are frequently cited as a strength, with guests and hosts delivering sharp, informed perspectives.
Guests consistently bring expert insight and lively debate that covers hard geopolitics with accessible explanations.

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Talking Points

Recent interactions between the hosts and their guests.

Fault Lines Episode 556: Netanyahu in Washington: The Iran Calculus
Q: Is President Trump legitimizing the regime by engaging in these negotiations?
No, the administration is not friendly with the regime and maintains pressing demands including stopping their nuclear program and curbing violence against protesters.
Fault Lines Episode 552: Sudan, Regional Rivals, and U.S. Interests
Q: What are the implications of the civil war in Sudan for U.S. national security?
The conflict poses challenges for U.S. relationships with regional partners like Turkey and Egypt, and it complicates U.S. interests in maintaining stability and security in the region.
Episode 544: Iran on the Edge: Protest, Pressure, and Power
Q: Is there a capability among the opposition to actually pick up the mantle of leadership?
The opposition is highly fractured and divided, which stalls momentum during protests, but they unite on their hatred of the regime.
Episode 544: Iran on the Edge: Protest, Pressure, and Power
Q: What's your assessment of these protests here?
The protests are widespread but don't necessarily indicate that the regime will collapse, as there isn't a unified opposition or large-scale defections from security services.
Episode 537: Live from RNDF: Congressman Don Bacon
Q: Where do you see the opportunities for bipartisanship?
There are many opportunities as demonstrated through my role in the Problem Solvers Caucus, which shows that to get things done, working across the aisle is essential.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About Fault Lines

What is Fault Lines about and what kind of topics does it cover?

A brisk, policy-forward show focused on national security and foreign policy debates shaping U.S. strategy. Conversations run across geopolitics, diplomacy, and defense, with frequent panels of NSI senior fellows, advisory board members, and episode guests offering sharp analysis and real-world implications for policymakers, executives, and academics. Regulars drive concise, debate-driven discussions on topics like Iran, China, energy security, space, and regional conflicts, often pairing data-driven frameworks with practical, how-it-works insights. Noteworthy is the hosting ensemble from NSI, a track record of high-caliber guests, and a style that balances rigorous analysis with accessible, timely commentary that's useful for decision-make... more

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Which podcasts are similar to Fault Lines?

These podcasts share a similar audience with Fault Lines:

1. Net Assessment
2. NatSec Matters
3. War on the Rocks
4. Global Security Briefing
5. The Foreign Affairs Interview

How many episodes of Fault Lines are there?

Fault Lines launched 7 years ago and published 615 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Fault Lines?

Recent guests on Fault Lines include:

1. Marc Raimondi
2. John Lipsy
3. Matt Hayden
4. Jamie Jackson
5. Alexander Yu
6. Mina Faltas
7. Dmitri Alperovitch
8. Don Bacon

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