Joe Biden is officially the Democratic nominee for president, but if you drive through my town, you’re more likely to see Biden’s name on a tattered, peeling bumper sticker from 2008 than on a shiny new 2020 sticker. Biden simply isn’t the sort of candidate that inspires Joe Taxpayer to drop $2.50 on car art. And even though Biden has been ahead of Trump in the polls, the underreported weeds of those same polls are forecasting disaster for Democrats. The newest CNN poll shows Biden four points ahead of Trump. No big deal; that’s within the margin of error. What...