TechTank, season 5, episode 49 Source: Brookings Institution “Weighing the existential risks of AI and the proposals to prevent them.” (09/21/26) https://shows.acast.com/tech-tank/episodes/weighing-the-existential-risks-of-ai-and-the-proposals-to-pr September 21, 2026September 21, 2026 Thomas L. Knapp