U.S.-Iran talks advance

U.S. and Iranian negotiators have narrowed some gaps and are now discussing an interim deal under Pakistani mediation. (reuters.com) A senior Iranian official told Reuters on April 16 that the talks had made progress, but said major disputes still remained more than halfway through a two-week truce. The same official said Pakistan’s outreach had reduced differences in some areas. (reuters.com) The unresolved issues are concrete: what happens to Iran’s stockpile of highly enriched uranium, how long any freeze on nuclear work would last, and whether Tehran can preserve what it calls a right to enrich uranium on its own soil. Mediators are also trying to settle shipping through the Strait of Hormuz and Iranian demands for compensation for wartime damage. (reuters.com) Pakistan has moved to the center of the diplomacy after the first direct U.S.-Iran talks in Islamabad ended without an agreement in the early hours of Sunday, April 12. The White House said any further talks would likely return to Islamabad, though no final decision had been announced as of April 15. (pbs.org, pbs.org) Pakistan’s army chief, Gen. Asim Munir, traveled to Tehran on April 15 to press for a second round before the ceasefire expires next week. Associated Press, in PBS NewsHour’s report, said the diplomacy followed almost seven weeks of war and a fragile two-week pause in fighting. (pbs.org) The nuclear dispute is the hardest part because uranium enrichment is the process that increases the concentration of the fissile isotope uranium-235, and higher levels shorten the technical path to weapons-grade material. The International Atomic Energy Agency said in a March 2025 report that Iran’s total enriched uranium stockpile stood at 8,294.4 kilograms as of February 8, 2025. (iaea.org) Separate reporting and analysis based on International Atomic Energy Agency findings said Iran had about 440.9 kilograms of uranium enriched up to 60% before the June 2025 strikes, a level far above civilian power-reactor fuel and close to weapons-grade in technical terms. That stockpile is now one of the central bargaining points in the talks. (armscontrolcenter.org, euronews.com) The Strait of Hormuz dispute matters because the waterway carries roughly one-fifth of the world’s oil and gas consumption, and Reuters reported that it has been closed to most ships for weeks. Any interim arrangement that reopens traffic would affect both the ceasefire and global energy flows. (reuters.com) Al Jazeera reported on April 16 that Pakistani officials were expecting substantial movement on the nuclear file and were still relaying messages between Washington and Tehran. Reuters reported the same day that both sides had lowered their sights from a comprehensive settlement to a temporary memorandum meant to keep the war from restarting. (aljazeera.com, reuters.com) For now, the talks are moving on two tracks at once: a narrow nuclear bargain and a broader effort to extend the ceasefire past its current deadline. Whether the next round happens in Islamabad may determine if the current truce becomes a longer pause or another short break in the fighting. (reuters.com, pbs.org)