From August 27, 2024: On today’s episode, Sherri Goodman, the Secretary General of the International Military Council on Climate & Security and the first Deputy Undersecretary of Defense (Environmental Security) joins Lawfare Managing Editor Tyler McBrien to talk about Sherri’s new book, “Threat Multiplier: Climate, Military Leadership, and the Fight for Global Security.”

They discuss Sherri’s career in climate security, beginning at the Senate Armed Services Committee before “climate security” entered the lexicon. From there, they trace Sherri’s career educating a generation of military leaders about the nexus between climate change and national security and coining the phrase “threat multiplier,” helping to usher in a paradigm shift at the Pentagon. Sherri addresses skeptics wary of a perceived tradeoff between military readiness and greening the military, as well as others who warn against “securitizing” climate change. Finally, they look ahead, as Sherri lays out her four main pillars of climate action (mitigation and adaptation) and institutional reform (awareness and alliance building).

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Alan Rozenshtein, Senior Editor at Lawfare, speaks with Brett Goldstein, Special Advisor to the Chancellor on National Security and Strategic Initiatives at Vanderbilt University; Brett Benson, Associate Professor of Political Science at Vanderbilt University; and Renée DiResta, Lawfare Contributing Editor and Associate Research Professor at Georgetown University's McCourt School of Public Policy.

The conversation covers the evolution of influence operations from crude Russian troll farms to sophisticated AI systems using large language models; the discovery of GoLaxy documents revealing a "Smart Propaganda System" that collects millions of data points daily, builds psychological profiles, and generates resilient personas; operations targeting Hong Kong's 2020 protests and Taiwan's 2024 election; the fundamental challenges of measuring effectiveness; GoLaxy's ties to Chinese intelligence agencies; why detection has become harder as platform integrity teams have been rolled back and multi-stakeholder collaboration has broken down; and whether the United States can get ahead of this threat or will continue the reactive pattern that has characterized cybersecurity for decades.

Mentioned in this episode:

• "The Era of A.I. Propaganda Has Arrived, and America Must Act,” by Brett J. Goldstein and Brett V. Benson (New York Times, August 5, 2025)
• "China Turns to A.I. in Information Warfare" by Julian E. Barnes (New York Times, August 6, 2025)
• "The GoLaxy Papers: Inside China's AI Persona Army,” by Dina Temple-Raston and Erika Gajda (The Record, September 19, 2025)
• "The supply of disinformation will soon be infinite,” by Renée DiResta (The Atlantic, September 2020)

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This week, Scott sat down with his Lawfare colleagues Public Service Fellow Ari Tabatabai and Managing Editor Tyler McBrien to talk through the week’s big news in national security, including:

• “Great APEC-tations.” President Trump is headed to Asia this week, both for a meeting of the regional Asia-Pacific Economic Cooperation (APEC) organization and a one-on-one sit down with Chinese president Xi Jinping. It’s a moment destined to spotlight one of the more quixotic areas of the second Trump administration’s foreign policy, only complicated further by his (and China’s) increasingly aggressive trade maneuvers, particularly around rare earth minerals. What should we expect this week? And what does it tell us about the Trump administration’s Asia policy?
• “Pirates of the Caribbean.” The U.S. military build-up in the Caribbean has continued apace, even as the Trump administration has expanded its controversial military campaign against narcotics traffickers into the eastern Pacific. Even as both sets of actions have put pressure on the Maduro regime, they’ve also created rifts within Trump’s coalition—where a few legislators have begun to join Democrats in demanding more answers from the Trump administration—and the executive branch, where tensions appear to have contributed to the early retirement of the military commander in charge of the operation. What constraints are there on how far the president can go in this space? And how far will he push them?
• “Too Calm After the Storm.” Hurricane Melissa, one of the strongest on record, made landfall in Jamaica yesterday, and is now hovering over Cuba (in weakened form) on its way to the Bahamas. The devastation it is expected to have left in its wake would in the past have been the subject of an almost immediate U.S. assistance response—but it’s not clear what will be forthcoming today or how effective it will be given the dismantling of U.S. foreign assistance agencies. How should we expect the Trump administration to respond? And what could the long term consequences be?

In object lessons, Tyler is sampling Baauer’s Sample Breakdowns on Instagram for the muses behind the music. Scott is musing about the various uses of his vacuum sealer, particularly for his garden bounty. And Ari is singing the praises of the versatility of black sesame.

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