(FILES) In this file photo taken on August 13, 2020 US Secretary of State Mike Pompeo (L) speaks during a joint press conference with Slovenian Prime Minister (unseen) after their meeting in Bled, in the foothills of the Julian Alps. - The United States unilaterally proclaimed on Septemeber 19, 2020, that UN sanctions against Iran are back in force and promised to punish those who violate them, in a move that risks increasing Washington's isolation but also international tensions. (Photo by Jure Makovec / AFP)