In Nazi-occupied Western Europe, numerous local bureaucrats and policemen participated in rounding up Jews and sending them to death camps in the East. And in Eastern Europe, many of the natives aided the Nazis in the murder of Jews—sometimes voluntarily, sometimes for pay, and sometimes under duress. But only Romania, whose fascist leader Ion Antonescu pursued a Holocaust of its own. Matt Lebovic reports on the most recent research on the subject: Welcome to Mosaic Create a free account to continue reading and you'll get two months of unlimited access to the best in Jewish thought, culture, and politics [Register]...