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Rep. Trey Gowdy (R-S.C.) said it's "sad" that former FBI Director James Comey wrote a tell-all book detailing the private interactions he had with President Trump.

In an ABC News interview and in just-released excerpts from the forthcoming book, Comey compares the president to a mob boss and accuses him of being unconcerned with Russia's election interference. He also recalls Trump requesting that the FBI investigate salacious allegations about his actions with Russian prostitutes.

According to excerpts from the book, Comey also describes Trump as "untethered to truth" and "ego-driven," describing his presidency as a "forest fire."

Trump took to Twitter to slam Comey Friday morning, calling him a "leaker [and] liar" who botched the Hillary Clinton email investigation. 

Gowdy said that he and Comey had agreed in the past that the FBI director must be apolitical, and he's "really disappointed" that Comey is speaking out publicly like this.

"I can’t think of anyone who has done a better job of politicizing the FBI than he has in the last 36 or 48 hours by talking about tanning bed goggles and the length of a tie. That is beneath the dignity of the offices that he held," Gowdy said on "Fox & Friends" on Friday.

He added that he hopes Comey let the intelligence communities vet the book, to ensure he’s not disseminating classified information.

Gowdy, who is one of the few members of Congress who has read Comey's memos about his meetings with Trump, is calling for the memos to be released publicly.

Gowdy said the memos would be "defense exhibit A" in any possible obstruction of justice prosecution against Trump related to the Russia investigation.

"I think they ought to be released. I think they ought to be released publicly, but they certainly ought to be released to Congress."

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