"My credibility is being questioned by a man who has less credibility than perhaps anybody who's ever walked on Earth."
It also follows days of brutal commentary in the wake of the publication of a new book on the Trump White House that quotes staffers as calling the president everything from "moron" to "idiot", and describing him as uninformed and "like a child". NPR White House correspondent Tamara Keith reports.
In an interview to National Public Radio, Bannon stood by the content of his book and his criticism of the president. "Great cover!" his press assistant, Hope Hicks, emailed me after it came out (it was a picture of a belligerent Trump in mirrored sunglasses). Allegations are going to come out. We have a lot of things to work on, a lot of things to accomplish. But Attorney General Jeff Sessions, whom the President once called "beleaguered", is.
The Mercer family, which includes billionaire Robert Mercer, provided financial support to Trump's 2016 campaign. Earlier, he had tweeted, "Thank you, Mr. President".
Miller on Sunday echoed the language of the White House's statement to attack Bannon as well as CNN.
Trump issued a statement that reads: 'Steve Bannon has nothing to do with me or my Presidency.
Former British Prime Minister Tony Blair has vehemently denied claims that he warned President Donald Trump's advisers that United Kingdom intelligence might have spied on Trump during his campaign, the Guardian reported. The book claims that many people close to the president believed his "mental powers were slipping", noting in particular his tendency to repeat expressions in swift succession.
"Not only is he helping me sell books, but he's helping me prove the point of the book", Wolff said.
"That is the entire exchange - make of it what you will".
Writing in the "reliably anti-Trump New York magazine", says Ms. Showalter, "Wolff now tries to discredit the Trump presidency and its many accomplishments by claiming that Trump was just somehow thrown in there and by some twist of fate ended up president".
Mr Wolff countered by saying that he had absolutely spoken to the President and had done so after the inauguration.
"Look at this guy's past and watch what happens to him and Sloppy Steve!" he added, in an apparent reference to former White House strategist Steve Bannon.
Mr Trump hit back after an explosive account of life at the White House claimed he never intended to enter the Oval Office and his staff believed he was not fit to hold high office.