'This is treason': Read the most dramatic quotes from Bob Woodward's new tell-all book about Trump's White House

Andrew Harrer | Bloomberg | Getty Images
President Donald Trump 

A new tell-all book authored by famed Watergate journalist Bob Woodward, reported Tuesday by The Washington Post, shows President Donald Trump viciously attacking the top officials in his own administration. But it also shows several of Trump's underlings aren't too fond of their boss, either.

"Fear: Trump in the White House," which is reportedly largely based on interviews with sources inside the Trump administration, finds Trump insulting his Cabinet members and highest-ranking national security officials, including Attorney General Jeff Sessions, chief of staff John Kelly, former national security advisor H.R. McMaster and many others.

The White House tore into the reported excerpts from Woodward's book Tuesday afternoon, calling it "nothing more than fabricated stories."

"Fear" is due to be published Sept. 11. Read some of the most explosive bits below:

Trump called Sessions 'mentally retarded'

Sessions has often found himself in Trump's crosshairs for his recusal from any involvement in the probe of Russian interference in the 2016 presidential election.

But Trump also criticized Sessions for his Southern accent, reportedly mocking it and saying of his own administration's attorney general: "This guy is mentally retarded. He's this dumb Southerner … He couldn't even be a one-person country lawyer down in Alabama."

Trump also called Sessions a "traitor" for recusing himself from the Russia probe, which is led by special counsel Robert Mueller, and putting Deputy Attorney General Rod Rosenstein in charge of oversight.

John Kelly called Trump an 'idiot'

NBC News had reported in April that Kelly called the president an "idiot" behind his back.

Kelly denied the report at the time, calling it "total B.S." But Woodward's book repeats the claim, according to the Post. Kelly repeated that denial in a statement on Tuesday.

In a small meeting, Kelly reportedly said of Trump: "He's an idiot. It's pointless to try to convince him of anything. He's gone off the rails. We're in Crazytown. I don't even know why any of us are here. This is the worst job I've ever had."

Trump on Gary Cohn's resignation letter: 'This is treason'

After Trump said in August 2017 there were "very fine people on both sides" of a white supremacist rally and counter-protest in Charlottesville, Virginia, his former top economic advisor Gary Cohn, who is Jewish, reportedly handed him a resignation letter.

"This is treason," Trump said, according to the report about Woodward's book. Cohn stayed on until March, resigning shortly after Trump said the U.S. would impose tariffs on imports of steel and aluminum from a variety of countries.

Kelly then reportedly confided to Cohn: "I would have taken that resignation letter and shoved it up his ass six different times."

Mattis told Trump the US was trying 'to prevent World War III'

Trump reportedly questioned why the U.S. was spending money and military resources in the Korean Peninsula during a National Security Council meeting in January.

Defense Secretary James Mattis responded: "We're doing this in order to prevent World War III."

Woodward reportedly said Mattis was "particularly exasperated and alarmed" after the meeting, "telling close associates that the president acted like — and had the understanding of — 'a fifth- or sixth-grader.'"

Trump's attorney warned him not to testify in Mueller probe

John Dowd, who was the main outside lawyer representing Trump in Mueller's Russia probe, reportedly told the special counsel in March that he wanted to stop Trump from testifying in the Russia probe because "I'm not going to sit there and let him look like an idiot."

Dowd told Trump later that month: "Don't testify. It's either that or an orange jumpsuit."

But Trump reportedly told Dowd he would be "a real good witness," to which Dowd replied: "You are not a good witness ... Mr. President, I'm afraid I just can't help you."

Dowd resigned the next morning, according to the Post's timeline of events.

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