Sounds like this guy has a lot of credibility problems.
Journalists scrutinize Michael Wolff's credibility
After setting Washington ablaze with “Fire and Fury,” his gossipy account of infighting and incompetence in the West Wing, author Michael Wolff will face questions Friday morning about reporting methods that have come under scrutiny not only from the Trump White House, but other journalists.
Journalists scrutinize Michael Wolff's credibility