FILE – Palais Coburg, where closed-door nuclear talks take place in Vienna, Austria, Dec. 17, 2021. Iran is insisting that the United States and its allies promise to allow Tehran to export its crude as negotiations on restoring the tattered nuclear deal are to resume in Vienna. Iran’s foreign minister said on Monday, Dec. 27, 2021, that Tehran wants the upcoming round of talks to focus on achieving unfettered access to oil revenue. (AP Photo/Michael Gruber, File)