When a political tribe is so overwhelmingly dominant, it can persecute with impunity, but it can also be more generous. It can afford to be more universalist, more enlightened, more inclusive, like the WASP elites of the 1960s who opened up the Ivy League colleges to more Jews, blacks, and other minorities—in part because it seemed like the right thing to do. Today, no group in America feels comfortably dominant. Every group feels attacked, pitted against other groups