Where Is Iran’s Enriched Uranium?

What if fielding more nuclear weapons makes the United States less secure, not more? That question is now at the center of a growing debate as the United States confronts a nuclear landscape shaped by two major nuclear rivals.China is rapidly expanding and modernizing its nuclear arsenal, while the New Strategic Arms Reduction Treaty (START), the last remaining nuclear arms control deal between the United States and Russia, has expired. In what appears as the beginning of a new, more dangerous nuclear age, some analysts believe the United States should increase the size of its deployed nuclear arsenal. Others believe

On this Memorial Day, American servicemembers remain deployed across the world. Many are in harm’s way. This simple fact makes the day less abstract, more real. Memorial Day is not only about wars filed away in history, but also about lives lost in service to the nation and the obligations those losses place on the living.For those who served in combat, the day is intensely personal. It is a day of names, missions, and memories that never fade away entirely. Three of the fallen return to me every year: Cpl. Andrew J. Kemple, 2nd Lt. Tracy Lynn Alger, and Sgt.

Adversaries do not need to breach the Pentagon’s systems: They only need to harvest the logic of the publicly released frontier AI models that underpin them. This is a defining risk as the Department of Defense pivots to an “AI-first” warfighting machine. In this new context, military predominance is a derivative of AI model supremacy. From Project Maven’s intelligence fusion to the high-velocity sensor-to-shooter loops of Anduril’s Lattice, the Defense Department’s most advanced systems are tethered to the frontier models forged by tech heavyweights like Anthropic, Google, and OpenAI. As long as these firms hold the high ground in the

When is the risk of war the highest? And what should the United States be doing about it? One of the most important but underappreciated questions in international politics is how states think about the future balance of power. Countries that believe their position is improving often choose patience. Those who fear their position is deteriorating may feel pressure to act before their advantages disappear. In this episode, Ryan is joined by Dean Cheng, Mira Rapp-Hooper, and Amanda Hsiao to explore how Chinese leaders may be thinking about time, power, and Taiwan. This episode is sponsored by Kibu, which ensures you always know