Trump keeps throwing around the word ‘treason’ — which may not be such a great idea - The Washington Post: Analysis

In Trump's world, collusion requires an explicit quid pro quo. Treason by his opponents? A much lower standard. ....
https://www.washingtonpost.com/news/the-fix/wp/2018/05/15/trump-keeps-lowering-the-bar-for-what-constitutes-treason-which-may-not-be-a-great-idea/