Where now for Europe and Ukraine after the NSS?

After a flurry of diplomacy on Ukraine and the release of the new U.S. National Security Strategy, Max Bergmann and Maria Snegovaya join Will to discuss what we should expect from ceasefire negotiations in Ukraine and how the growing crisis in transatlantic relations might shape the contours of a deal. Max Bergmann, "The NSS That Could Destroy the NATO Alliance," CSIS, December 5, 2025. Mark F Cancian and Maria Snegovaya, "The Unfinished Plan for Peace in Ukraine: Provision by Provision," CSIS, November 24, 2025.