Do we negotiate with these thugs? How did that pan out for the socialists, communists, church leaders, and liberal politicians in Germany after 1933? Not very well! Before the roundups of Jews, Jehovah’s Witnesses, and Gypsies began these “traitors” – wasn’t that what Jo Cox’s killer was shouting as he hacked her to death? – were picked up in short order and interned in concentration camps like Buchenwald, Dachau, and Sachsenhausen, where they were tortured and murdered.