To forgive and forget - or to punish and stand vigilant. That is the question about how to treat Americans who fought for the territorially defeated ISIS as they reenter society, presumably with battlefield experience, atrocities, and religious zealotry for bloodletting baked in. In Texas, judges of the U.S. 5th Circuit Court of Appeals are grappling for an answer in a bizarre case in which a federal judge doled out what prosecutors say was a “substantively unreasonable†18-month sentence for a returned ISIS recruiter and fighter who caused the battlefield death of at least one American. Prosecutors asked for at least...