Name the president who said the following: “I like acting.” The obvious answer would be Ronald Reagan, fondly recalling his Hollywood career prior to the White House. But that would be the wrong television star chief executive. The correct answer to this trivia question is Donald Trump, referring to how he likes his Cabinet secretaries. President Trump has fought a pitched battle to gain control of the executive branch ever since he assumed the presidency in 2017. Members of the administration have published op-eds in major newspapers, claiming to be involved in the internal “resistance,” secretly thwarting his policy choices and undercutting his authority. Democrats and permanent bureaucrats have tried to steer the ship of state in their own direction when the president wasn't looking. Special counsel Robert Mueller’s report on Russian interference in the...