FILE - Mohammad Eslami, new head of Iran's nuclear agency (AEOI), left, and Iran's Governor to the International Atomic Energy Agency (IAEA), Kazem Gharib Abadi, leave the International Atomic Energy's (IAEA) General Conference in Vienna, Austria, Monday, Sept. 20, 2021. The European diplomat chairing nuclear talks between Iran and world powers says negotiations in Vienna will resume Thursday, Dec. 9, 2021. Enrique Mora tweeted Wednesday that the parties to the 2015 Vienna accord will meet in the Austrian capital after consulting with their governments in recent days. (AP Photo/Lisa Leutner, File)