I wonder when the Trump backers will realize they’ve been had. The 2016 GOP campaign has been overwhelmed by Donald Trump’s celebrity persona, by the can’t-take-your-eyes-off-it appearances where he might say or do anything — and “anything” includes expletives, incitements, and assorted idiocies that would have been disqualifying in the bygone times of, oh, five or ten minutes ago. But Trump is not the real story of the campaign. The real story is the Republican base’s rejection of the Republican establishment — i.e., the party leaders, prominent pols, lobbyists, and donors who make up the GOP component of the Washington...