Progressives claim affirmative action is justified based on past discrimination against black people by whites. But the affirmative-action policies they promote discriminate also in favor of Hispanics and against Asians (Hispanics usually receive a smaller preference in admission than blacks; Asians sometimes are discriminated against even more than whites, such as at Harvard or in elite colleges’ math, science, medical, and engineering departments, where it is even harder for an Asian to get admitted than a white person with the same grades and test scores, while it is much easier for a black person to get admitted than a non-black...