Iraq Militias at the Center of U.S.-Iran Tensions to Protect Pope Francis

a group of people standing next to a sign: A large billboard representing two top officials slain in a U.S. airstrike last year, Iraq's Popular Mobilization Front deputy leader Abu Mahdi al-Muhandis and Iran's Revolutionary Guards commander Qassem Soleimani stands behind a poster welcoming Pope Francis, in the Iraqi capital Baghdad, on March 4, amid preparations for the pontiff's historic visit.