McConnell: Dems have 'Trump derangement syndrome' amid Barr fight
© Greg Nash

Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellTrump urges GOP to fight for him Senate Dems signal they'll support domestic spending package Trump's top picks for Homeland Security chief are ineligible for job: reports MORE (R-Ky.) on Tuesday lashed out at Democrats for criticizing Attorney General William BarrWilliam Pelham BarrPelosi releases 'fact sheet' saying Trump has 'betrayed his oath of office' Federal prosecutors interviewed multiple FBI officials for Russia probe review: report Mulvaney walks back comments tying Ukraine aid to 2016 probe MORE, saying they are suffering from "Trump derangement syndrome."

Reacting to House Speaker Nancy PelosiNancy PelosiOvernight Health Care — Presented by Partnership for America's Health Care Future — Four companies reach 0M settlement in opioid lawsuit | Deal opens door to larger settlements | House panel to consider vaping tax | Drug pricing markup tomorrow Schiff punches back after GOP censure resolution fails Trump urges GOP to fight for him MORE's (D-Calif.) comment that Barr "lied to Congress," McConnell told Fox News's "The Story" that it's an "outrageous assertion."

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"To call a public servant like the attorney general a liar is completely over the top. These people are somewhat suffering from Trump derangement syndrome," McConnell said.

The House Judiciary Committee is set to vote Wednesday to hold Barr in contempt for failing to respond to a subpoena for special counsel Robert MuellerRobert (Bob) Swan MuellerFox News legal analyst says Trump call with Ukraine leader could be 'more serious' than what Mueller 'dragged up' Lewandowski says Mueller report was 'very clear' in proving 'there was no obstruction,' despite having 'never' read it Fox's Cavuto roasts Trump over criticism of network MORE’s full report and investigative files. Meanwhile, Senate Democrats are clamoring for the Justice Department inspector general to open up a probe into Barr's handling of the Mueller report. 

The interview comes as McConnell is leaning heavily into his argument that the country should "move on" from Mueller's two-year probe into Russia's meddling in the 2016 election and the Trump campaign. 

The GOP leader gave a speech on Tuesday morning summarizing the investigation as "case closed." He also characterized Democrats as "grieving" because of Mueller's findings and urged them to "come back to reality."

McConnell added during the Fox News interview that it was time to "put it to rest."

"Mueller spent two years on this. ... What else do we need to know? It’s time to move on," McConnell said.

Democrats have blasted McConnell over his rhetoric. Senate Minority Leader Charles SchumerCharles (Chuck) Ellis SchumerTurkey says soldier killed despite cease-fire in Syria Schumer calls for FDA to probe reports of contaminated baby food How Trump and Pelosi went from bad to worse MORE (D-N.Y.), speaking to reporters during a weekly press conference, called the GOP leader's speech a "disgrace."

"He should be ashamed of himself with that speech," Schumer added.