The last Democratic presidential candidate to appeal to the white working-class voter was Bill Clinton. He needed every one of them in his 1992 and 1996 victories — and still failed to win 50% of the popular vote. Since then, the Democratic brand has lost the white working-class vote in nearly every presidential election. Yet this demographic still makes up 40% of the electorate and registers and votes at much higher rates than non-white groups. Apparently, during the Biden-era influx of 10 million illegal aliens, Democrats really believed their own slogans about an “emerging Democratic majority” and how “demography is...