“The world’s most wanted and reclusive terrorist, the isis leader Abu Bakr al-Baghdadi, reëmerged on Monday, for the first time since 2014, in an eighteen-minute video designed to rally the thousands of followers who still heed his call on at least four continents. The tape was clearly designed to prove that neither he nor his Islamic State has been obliterated.” After several reports of serious injuries and even death, Abu Bakr al-Baghdadi Is Back—and Vows That ISIS Will Be, Too.