The Republican electorate continues to like Trump — whether he’s cheering for corporate tax cuts, or pushing (and failing) to dismantle ObamaCare, or trying (and failing, repeatedly) to impose a travel ban on Muslims from a continually shifting list of countries, or failing even to bring up the subject of infrastructure.

The only plausible explanation is that Republican and Republican-leaning voters don’t particularly care about policy at all. What they care about is the only distinctive thing that Trump provides them — a potent and vicariously satisfying display of rhetorical animus directed against Democrats and their supposed enablers in the media, without any consistent or coherent link to a policymaking agenda.

It’s all negative partisanship, all the way down.