The head of the United Nations’ atomic agency says talks he held in Tehran this week over Iran’s nuclear program proved inconclusive. Rafael Grossi, the director-general of the International Atomic Energy Agency (IAEA), traveled to Iran for negotiations ahead of talks next week in Vienna aimed at reviving a 2015 deal between Iran and world powers. Grossi met with the head of Iran’s Atomic Energy Organization and the Islamic Republic’s foreign minister as he specifically sought to convince Iran to reinstall four of the IAEA’s cameras at a centrifuge-parts workshop in Karaj that Iran claims were the victim of apparent sabotage. Iran earlier this year stopped allowing the UN agency’s inspectors to conduct snap inspections required under the 2015 deal. Grossi subsequently brokered an arrangement in which Iran allowed IAEA cameras inside nuclear facilities to keep running with the exception of those at Karaj, where in June Tehran refused […]