In an interview with BBC Radio on Saturday, Michael Wolff, the author of the dubiously sourced gossip book targeting President Trump, boasted to host Nick Robinson that “the story” that he told, “will finally end...this presidency” once and for all.

Wolff’s self-glorification was brought on when Robinson questioned the effectiveness of the book and wondered if it would help the Russia investigation in any way since that had a greater chance of getting rid of Trump.

“Now, all of this is fascinating, it’s an insight, it’s gossip some of it, it may not be enough to stop him from being president. Whereas, the allegations about Russia may be,” Robinson prefaced. “Do you believe that anything in the book will actually change the chances of the allegations of collusion with Russia being found to be true and therefore leading to the impeachment of the President?”

This article originally appeared on Newsbusters. Click here to read the full article on Newsbusters.