Director General of International Atomic Energy Agency, IAEA, Rafael Mariano Grossi, left, and Iran's Foreign Minister Mohammad Javad Zarif at a meeting in Tehran, Iran, Tuesday, August 25. Vahid Salemi / AP
Director General of International Atomic Energy Agency, IAEA, Rafael Mariano Grossi, left, and Iran's Foreign Minister Mohammad Javad Zarif at a meeting in Tehran, Iran, Tuesday, August 25. Vahid SaleShow more

Tehran’s decision to co-operate with IAEA is part of its diplomatic charm offensive