The terrorist group is defeated and routed. But its backup plan survives. From a report: It all began on October 27, 2019. Rumour was, Abu Bakr al Baghdadi, the leader of Isis, was dead. Nothing was confirmed, but already the jihadist world online was thrumming with excitement and trepidation. “I was walking through an airport,” Moustafa Ayad tells me. “Jet-lagged out…