In July 2026, the United States and Saudi Arabia signed a thirty-year nuclear cooperation framework that has unsettled the architecture of global nonproliferation. The agreement's ambiguity around uranium enrichment — a capability long treated as a bright line in American nuclear diplomacy — raises the prospect that other Middle Eastern states will demand the same latitude, potentially setting off a cascade of weapons-adjacent programs across a region already defined by rivalry and mistrust. What is at stake is not merely one bilateral deal but the durability of a nonproliferation order that h