When news broke that former President Donald Trump had dinner with antisemites Ye and Nick Fuentes last month, I wondered whether potatoes were on the menu. Imprisoned as a child in the Bergen-Belsen concentration camp during the Holocaust, my grandmother developed a strategy: Though quite literally starving, she would position herself at the back of the line for food. Waiting until the end, she once explained to me, increased her chances of getting a few pieces of potato in her bowl rather than just liquid, because they’d sink to the bottom of the vat from which the soup was served....