Iran is in its worst economic situation in 42 years, and the threat of a widespread uprising that may lead to the regime’s overthrow has become more serious than ever. When Khomeini was alive, no authority dared to dispute his orders and decisions, and everyone had to obey him. In today’s Iran, Khamenei still has the final say on all internal and international matters. But unlike Khomeini, he has not been able to keep all political factions in Iran at bay. Although Khamenei has not wasted a moment in suppressing its opponents, even those very close to him and his...