Negotiations to reach a new agreement over Iran’s nuclear program focus on a disputed issue: the future of Iran’s enriched uranium stockpile. Multiple reports say Iran treats retention of its enriched uranium as a “red line,” indicating it will not accept terms that require removing it. The Trump administration, according to the reporting, seeks a different outcome, reportedly calling for the stockpile to be removed or destroyed as part of an agreement. The disagreement centers on how each side defines acceptable limits and verification measures tied to enrichment activity and stored material. While the sources describe a potential pathway toward resolving other sticking points, they identify the uranium stockpile question as the defining test for whether talks can produce a workable deal. The reports characterize the negotiation as hinging on whether Iran can accept changes to its retained material or whether U.S. goals require removal or destruction that Iran is unwilling to concede.