By Alessandra C. // SecurityEx-MI6 Chief: Mojtaba Khamenei could become Iran’s next Supreme LeaderIran's President Ebrahim Raisi addresses the nation on the 43rd anniversary of the U.S. expulsion from Iran, Tehran, Iran November 4, 2022. Majid Asgaripour/WANA (West Asia News Agency) via REUTERS/File PhotoListen to this article