The scene inside the Inland Regional Center in San Bernardino hours after the deadliest terrorist attack since 9/11 still had the hallmarks of the holiday festivities that brought the victims together and the bloodshed that followed There was the Christmas tree in the corner. The holiday decorations that covered more than a dozen tables. But there were also the bodies and bullet holes. Ceiling tiles had been knocked down, bullets had pierced the walls, carpet and chairs. A Christmas stocking lay over one of the victim’s bodies. “The room was in disarray,” and almost all the victims had gunshot wounds...