A radicalized ISIS-inspired terrorist was convicted on a raft of charges by a federal jury and could now face the death penalty. The ISIS wannabe, Sayfullo Saipov, killed eight people in the deadliest terrorist attack in New York City since 9/11. He was a self-radicalized, lone wolf terrorist waging “leaderless jihad.” The facts that emerged in the aftermath of the attack are hauntingly familiar to me. Not only was I the senior director for counterterrorism for President Trump’s National Security Council (NSC) when the attack happened, but during the presidential transition, I put together an eerily similar scenario for the...