The U.S. military unleashed a new wave of strikes against Iran on Tuesday and revoked a license allowing the country to sell oil after three tankers were hit in the Strait of Hormuz, putting pressure on an already fragile ceasefire. After a day in which huge crowds mourned Iran’s slain Supreme Leader Ayatollah Ali Khamenei in the holy city of Qom, U.S. Central Command announced that it had begun a...