However, it's not just the "fake news" and Michael Wolff who have raised concerns about Trump's mental health recently. "But it certainly wasn't off the record", he said. Let's remember, this man does not read. In turn, the publisher responded by releasing the book a week early. "You're the best piece of tail he'll ever have". He wrote "He was, in words used by almost every member of the senior staff on repeated occasions "like a child".
Stephen Colbert took a more theatrical approach to mocking the president, imagining the president crying over his break-up with Bannon while sitting at his desk in the Oval Office. "Smart!" Trump tweeted about Rebekah Mercer and her family. He reported from inside Trump Tower in New York City and later from inside the White House.
The book contains many unflattering portrayals of the president and the White House, including some stinging criticism from former chief strategist Steve Bannon. "He has not lost it".
The White House has repeatedly denied collusion and labeled the Mueller probe a "witch hunt".
The White House has criticized the claims in the book, with press secretary Sarah Sanders calling it "complete fantasy".
Sanders spoke Friday on "Fox and Friends" Friday about Michael Wolff's "Fire and Fury: Inside the Trump White House".
"If he was unfit he probably would not sitting there after defeating the most qualified group of candidates the Republican Party has ever seen", she added.
Lee had told CNN that Trump is showing signs of impairment that the average person could not see. "How often? You must have had a better f-k than your wife?" according to Wolff.
In an article for the Hollywood Reporter, Wolff continued those claims.
BookPeople received their normal amount of new copies of the book but wasn't prepared for the book to sell-out. "I will quote Steve Bannon: 'He's lost it, '" Wolff said during that interview. "I've never heard about this in the publishing world before, because it has such a political momentum behind it. Everyone has poured out wanting to get a piece of this book". "I never spoke to him for book". But the President wanted them to: he filed a cease-and-desist order against the publisher.
It already has cost him a key backer.
Watch the full clip from Kimmel above, and the full clip from Colbert below.
In the interview, Mr Wolff stated his belief that Steve Bannon, the hardline nationalist who played a key role in putting Mr Trump in the White House, was now determined to see the President removed from office.