Trump’s second term has Democrats plotting a full-scale reckoning—targeting him, his allies, and the roots of Trumpism itself. “There will be no post-presidential peace for Donald Trump,” boomed The New Republic last week. In a lengthy piece on why the president should not expect to enjoy a restful retirement, Matt Ford laid out Donald Trump’s high crimes and misdemeanors—mostly high crimes—and accused him of having “excited domestic insurrections against us,” in the grave words of the Founding Fathers. The shuttering of the Kennedy Center may be the least of Trump’s second-term sins. In the first year since returning to power,...