Six months after the air strikes that began the war and propelled a badly wounded Mojtaba Khamenei into the role of Iran’s supreme leader, he remains entirely unseen and unheard by Iranians – a vacuum at the heart of his country’s leadership. Questions over his condition and role are growing increasingly fraught, with Iran facing critical decisions over a war that has set the Middle East aflame while trashing the country’s already fragile economy. Iranian officials and other senior sources in...