The progressive strategy of investigating President Donald Trump nonstop for Russian collusion or obstruction of justice or witness tampering so far has produced no substantial evidence of wrongdoing. The alternate strategy of derailing the new administration before it really gets started hasn’t succeeded either, despite serial efforts to sue over election results, alter the Electoral College vote, boycott the inauguration, delay the confirmation of appointments, demand recusals, promise Trump’s impeachment or removal through the 25th Amendment, and file suit under the Emoluments Clause. A third strategy of portraying Trump as a veritable monster likewise so far has failed in four...