"It reads like an angry, vindictive person spouting off to a highly discreditable author".

Despite having "no knowledge" of the meeting, Miller said he was certain all of the allegations in Wolff's book are "a pure work of fiction" and "nothing but a pile of trash through and through". "And I will also say that the author is a garbage author of a garbage book".

He said that Mr. Trump had initially flattered him about the project, and that he had told interview subjects that "the president said he likes this idea" of a book.

'And I know that it brings a lot of you guys a lot of joy to trying to stick the knife in, ' he said.

The tell-all book, Michael Wolff's "Fire and Fury: Inside the Trump White House", has prompted a swift backlash from Trump and his White House.

Miller focused on edifying Trump's "political genius", until Tapper ultimately cut him off for refusing to cooperate.

Miller said the credit goes not to Bannon, but to Trump's first campaign manager, Corey Lewandowski.

Mr Trump slammed Mr Bannon after his negative comments surfaced last week, claiming the former top aide has "lost his mind".

Miller accused CNN of "anti-Trump hysterical coverage" following the Friday release of the book, which portrays Trump, a former reality TV start who took office almost a year ago, as mentally unstable and unfit for the demands of his job.

"It happens to be a true statement", Miller said of the characterization.

"I'm sure he's watching and he's happy that you said that", Tapper responded.

Miller called Tapper's comment "condescending" and said it was a 'snide remark, ' broadening that point to the whole of CNN.

"I think the viewers right now can ascertain who is being hysterical", Tapper responded.

A US TV journalist cut-off one of Donald Trump's White House advisers during a spiky interview, accusing the aide of "wasting enough of my viewers' time" after attacking the TV network he was appearing on.

"The reason why I want to talk about the president's experiences", Miller said, "what I've seen with him traveling to meet dozens of foreign leaders with his incredible work-You have twenty-four hours a day of anti-Trump material, you're not gonna give three minutes for the American people to get the real experience of Donald Trump". Nikki Haley, the USA ambassador to the United Nations, also defended Trump's stability and said, "he didn't become the president by accident". "The president's tweets absolutely reaffirm the plain spoken truth: self made billionaire who revolutionized reality TV, and tapped into something magical that's happening in the hearts of this country". "You're being obsequious, you're being a factotum in order to please [Trump]".

Senior White House Advisor Stephen Miller waits to go on the air in the White House Briefing Room on February 12, 2017.