Spectator: ... While Trump and his fiery brand of populism grab all the headlines, the most powerful ideology in America remains identity politics. It permeates our culture and fuels our national obsession with diversity, understood as the proportional representation in all realms of life of the various “communities” that have gained recognition: African-Americans, women, Hispanics, LGBTQs, Asians, and, if the Census Bureau has its way, MENAs — Middle Easterners and North Africans. Conspicuously absent from the list, of course, are whites, Christians, and men — three of the most numerous groups in America. Via the doctrines of affirmative action and disparate impact, identity politics has reshaped our laws and our legal system. It has weakened our commitment to meritocracy and equal treatment under the law as a result of its single-minded focus on equalizing group outcomes. It has replaced post-modernism and watered-down Marxism as the unofficial creed of our institutions of hig...