The death of Iran’s Supreme leader Ayatollah Ali Khamenei raises paramount questions about the country’s future. And while a clerical panel is tasked with replacing him, succession is a complex matter in Iran’s theocracy. Here is what to know: A clerical council selects a new supreme leader An 88-member panel called the Assembly of Experts appoints the supreme leader. The panel can remove one as well, although that has never happened. The panel consists entirely of Shiite clerics who are...