In this photo released by the official website of the office of the Iranian supreme leader, Supreme Leader Ayatollah Ali Khamenei speaks during a meeting with the President Masoud Pezeshkian's administration, in Tehran, Iran, Tuesday, Aug. 27, 2024. Iran's supreme leader opened the door Tuesday to renewed negotiations with the United States over his country's rapidly advancing nuclear program, telling its civilian government there was "no barrier" to engaging with its "enemy." (Office of the Iranian Supreme Leader via AP)