But it's become a critical laughingstock, with political journalists and commentators picking apart his reporting – especially after an appearance this month on MSNBC.
The author was asked whether he had interview recordings that would substantiate his reporting.'My evidence is the book.
RACHEL Riley has revealed the worst chat up line she’s ever heard – and it is absolute filth.
The star told Jimmy Carr on 8 Out Of 10 Cats Does Countdown when she revealed the gross message one man sent through a dating app.
And the way they deal with it is to try and throw arrows – lies or not,' she said.
Wolff's book has been a commercial success, selling more than 1.7 million copies.
She said: "The worst chat-up line I've heard is ' I've got a purple dome that needs a home.” Comedian Jon Richardson grimaced and the Jonathan Ross looked shocked as the audience groaned.