What's notable about the piece, though, is not so much the specifics of what happened, but that the author, Thomas M. Wells, breaks it down into 20 lessons he learned from his time with Trump and how they pertain to his run for the president. For instance, how at any opportunity, Trump would not hesitate to lie. Or that the presidency is about addressing all the people in the country, and Trump almost exclusively talks about "I." And much more.
You can read the whole thing here.