Adam Serwer: “The theory is that by supercharging the salience of race—a reliable winner with huge swaths of the electorate—they can compensate for the unpopularity of the Trump campaign’s actual policy agenda: its plans to ban abortion, repeal protections for preexisting conditions in the Affordable Care Act, deregulate Big Business, and cut taxes on the wealthy while raising them on everyone else.” “The campaign wants people—white people in particular—thinking about race, and hopes that these kinds of appeals will activate the necessary number of voters in the key swing states where the electorate is more conservative than the country as a whole.