2   Regime Change in Iran: Leadership Succession and America’s Troubled History of Interference   The Islamic Republic of Iran faces a pivotal moment as the question of succession to Supreme Leader Ayatollah Ali Hosseini Khamenei, who has held the position since 1989, looms large. At 86 years old, Khamenei’s eventual departure—whether through natural causes … Continue reading Regime Change in Iran: Leadership Succession and America’s Troubled History of Interference