The attack last month on the Kurdish-controlled Ghweyran prison in northeast Syria by 100 Daesh extremists, eerily reminiscent of the 2013 Abu Ghraib jailbreak, was the most sophisticated operation by the terroristssince their supposed defeat three years ago. There were woeful failures to detect and act decisively on the telltale signs of an impending attack. Daesh has morphed into a formidable global security threat for an international coalition that appears ...