Republican are residual of income over education
Mr. Trump did extremely well among voters who lack formal educational credentials but work hard enough to make incomes above the national median. This column will leave it to readers to decide how much myth-busting the authors have achieved with this insight. But for those liberals who are eager to continue looking down on Mr. Trump's voters, this analysis would seem to be very helpful.
The deplorables tend to have fewer academic credentials, so the deplorers can tell themselves that Trump voters lacked the intellectual tools to appreciate the superiority of Hillary Clinton over Mr. Trump.