The Taif Accord, which ended Lebanon’s civil war almost three decades ago, stipulated that the country’s president be Christian, the prime minister be Sunni, and the parliament speaker be Shia. Today, two of these figures—President Michel Aoun and Parliament Speaker Nabih Berri—are in their eighties, and both demonstrate sympathy for Hezbollah, the Shia militia and party that serves as a national power broker.