Great Book: "Enemy of the People: Trump's War on the Press, the New McCarthyism, and the Threat to American Democracy" by Marvin Kalb

https://www.amazon.com/Enemy-People-McCarthyism-American-Democracy/dp/0815735308
Twentieth-century dictators―notably, Stalin, Hitler, and Mao―had all denounced their critics, especially the press, as “enemies of the people.” Their goal was to delegitimize the work of the press as “fake news” and create confusion in the public mind about what’s real and what isn’t; what can be trusted and what can’t be... That, it seems, is also Trump’s goal. 

Donald Trump Sounds Just Like the Monarch the Constitution Was Written to Thwart... The impeachment power was established to address presidents who assert kingly powers to abuse pardons and shut down inquiries into their own wrongdoing.

https://www.thenation.com/article/donald-trump-sounds-just-like-monarch-constitution-written-thwart/

 In the summer of 1787, George Mason told the authors of the Constitution that “no point is of more importance than that the right of impeachment should be continued.”

To the framers who had only recently thrown off the rule of King George III, Mason explained that this was the answer to the question that challenged a new nation that did not choose to be a monarchy: “Shall any man be above Justice? Shall any man be above Justice? Above all shall that man be above it, who can commit the most extensive injustice?”