As President Trump finished his first full year in office, he could look back at an impressive record of achievement of a kind rarely attained by an incoming president — much less by one who arrived in office as a private-sector billionaire without either prior political office or military service. As unintended proof of his accomplishments, Trump’s many liberal opponents have gone from initially declaring him an incompetent to warning that he has become effective — insanely so — in overturning the Obama progressive agenda.

Never Trump Republicans acknowledge that Trump has realized much of what they once only dreamed of …