A polling station in Winchester, Va., Nov. 7. Photo: Dominic Gwinn/Zuma Press With antisemitism everywhere on the rise, including in the Democratic Party, there is still no clear sign that American Jews have begun to abandon the Democrats. Past polls have shown 7 in 10 American Jews voting Democratic in recent presidential elections, and my guess is that the ratio may even be higher in 2024. A joke has it that Reform Judaism is nothing more than the Democratic Party platform with holidays added. I don’t hear many Republicans laughing. How has it come about that the Jews, a people...