US-Iran talks deadlock as 60-day MoU window expires with no extension in sight

The 60-day negotiation window established by the US-Iran Islamabad Memorandum of Understanding is expiring on August 17, 2026, and neither side appears remotely interested in keeping the lights on. An Iranian official stated flatly that no discussions about extending the MoU took place, alleging the US violated the interim agreement just 48 hours after it was reached and subsequently withdrew from it entirely. Washington, for its part, has described mediation efforts involving Pakistan and Qatar as “static.” What the MoU was supposed to accomplish The Islamabad MoU, signed on June 17, 2026, was designed to create structured space for resolving three of the most intractable issues between Washington and Tehran: Iran’s nuclear program, the status of billions in frozen Iranian financial assets, and the security architecture governing the Strait of Hormuz. The Strait of Hormuz matters because roughly one-fifth of the world’s oil supply passes through it. Control over shipping routes there has been a persistent flashpoint, and neither side showed willingness to budge during the 60-day window. The June 2026 agreement itself followed a string of failed negotiations stretching back through...