Since at least 1967, the organized American Jewish community, and virtually all US politicians, have treated Israel’s system of Jewish legal supremacy as nonnegotiable. Anti-Zionism has been beyond the pale. Mamdani’s victory suggests that we are witnessing a historic change. By bringing together anti-Zionists and liberal Zionists, Mamdani has forged a coalition that allows Americans who disagree in their ultimate vision for Palestine and Israel to work together to end unconditional US support for Israel. In the coming years, that coalition could change the Democratic Party, and American politics, as a whole. On its website, New York Jewish Agenda declares...