U.S. Sends Iran Proposal on Nuclear Deal, Amid Reports of Uranium Enrichment Ramp-Up NYT | Top Stories David E. Sanger, Farnaz Fassihi and Maggie Haberman 1 June 2025 at 04:48 The preliminary U.S. proposal came as a confidential U.N. report described an Iranian initiative that had multiplied Tehran’s stockpile of near-bomb-grade uranium. © Arash Khamooshi for The New York TimesAccording to the report from the International Atomic Energy Agency, Iran now has the capability to produce bomb-grade fuel for roughly 10 weapons.