Amy Fried is professor emerita of political science at the University of Maine and author of Political Sightlines on Substack. There’s an old joke I heard growing up as a Jewish kid in the shadow of World War II and the Holocaust that came to mind after reading Ethan Wolin’s excellent piece on progressive Maine Jews (“After a rocky road with Platner, Jewish Mainers size up the state’s progressive left,” July 22). With typical irony it goes like this: A Jewish man is walking past a Nazi gathering where people are shouting “Down with the Jews!” He calls out “Down with...