It's been obvious for months to anyone reading polls that break down by educational levels that Donald Trump's main support base isn't among conservatives, or moderates, or old folks, or new folks, but among non-college-educated Republicans. This helps explain why he gets away with defying GOP-elite orthodoxy on issues like immigration and trade and entitlements; his white working-class fans have bonded with Republicans over cultural more than economic issues, and don't particularly agree with the country-club wing of the party on a lot of policy issues. But what about those college-educated Republicans who do favor free trade and "entitlement reform"...