Donald Trump learned all the wrong lessons from impeachment and Mueller

Democrats and Mueller punted on challenging Trump. So their legacy is that obstruction and dubious, vague executive privilege claims are effective. ....
https://www.usatoday.com/story/opinion/2020/02/14/donald-trump-learned-all-wrong-lessons-impeachment-and-mueller/4749640002/

Trump appears to have learned an alarming lesson from the Mueller report - Raw Story

President Donald Trump appears to have drawn an alarming lesson from special counsel Robert Mueller's investigation, according to Bloomberg Opinion columnist Jonathan Bernstein. ....
https://www.rawstory.com/2019/05/trump-appears-to-have-learned-an-alarming-lesson-from-the-mueller-report/