Abstract The current U.S.–Iran file cannot be understood as a conventional bilateral negotiation over a single technical question, because the live official record shows that the issue now sits at the intersection of nuclear safeguards, regional war termination, maritime security in the Strait of Hormuz, sanctions architecture, and a wider contest over the regional order … Leggi tutto U.S.–Iran Nuclear Diplomacy After the 2025–2026 Crisis: Russia’s Mediation Posture, Iran’s Strategic Logic and the Recomposition of Gulf Security