This is the piece by Richard Brookhiser cited in the OP article:
WFB TodayFrom the Brookhiser piece:
Trump’s first-year accomplishments testify to the conservative movement’s momentum . . . That is Trump’s business, and America’s. But what
has Trump done to conservatives?
One of Trump’s abilities, which he possesses at the level of genius, is finding and naming the weaknesses of enemies: Low-Energy Jeb, Little Marco,
Crooked Hillary. Related is his ability to create weaknesses in his supporters. A weak man needs weak supporters; strong ones might make him feel insecure,
or differ with him. And so, whether from design, or simply because it is the way things work, Trump’s conservative admirers have had to abandon and
contradict what they once professed to hold most dear.
The most egregious example is the religious Right. The religious Right is the latest version of an old model of American politics, variously incarnated by Puritans,
abolitionists, and William Jennings Bryan. It, like its predecessors, has argued that America and individual Americans need to have a godly or at least moral
character to thrive. Now the religious Right adores a thrice-married cad and casual liar. But it is not alone. Historians and psychologists of the martial virtues
salute the bone-spurred draft-dodger whose Khe Sanh was not catching the clap. Cultural critics who deplored academic fads and slipshod aesthetics explicate
a man who has never read a book, not even the ones he has signed . . .
. . . In three years (maybe seven), Donald Trump will no longer be president. But conservatives who bent the knee will still be writing and thinking. How will it
be possible to take them seriously?
The short answer is, it won’t. But that is not an answer that Bill [Buckley] would give. Minds change, hearts change. That’s why he spent so much time arguing,
with foes and friends alike. It will take a lot of arguing to rebuild a conservative movement that one can contemplate without scorn.