In this file photo released by the official website of the office of the Iranian supreme leader, Supreme Leader Ayatollah Ali Khamenei speaks in farewell meeting with outgoing President Hassan Rouhani's administration in Tehran, Iran, Wednesday, July 28, 2021. Iran on Monday signaled a willingness to engage directly with the United States in ongoing discussions over the nuclear deal with world powers if it is necessary to reach a good agreement, the state-run IRNA news agency reported. (Office of the Iranian Supreme Leader via AP) **FILE**
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