In the 2016 Republican Party presidential primary, decades of dissonance between the party’s aggrieved grassroots and its blinkered elite spilled out into the open. For years, the chasm widened between the GOP’s heartland base, the river valley-dwelling “Somewheres” from David Goodhart’s 2017 book, “The Road to Somewhere,” and the party’s bi-coastal “Anywhere” rulers. The fo...