Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.) on Tuesday lashed out at Democrats for criticizing Attorney General William Barr Bill BarrHarris faces pivotal moment with Supreme Court battle Hillicon Valley: DOJ proposes tech liability shield reform to Congress | Treasury sanctions individuals, groups tied to Russian malign influence activities | House Republican introduces bill to set standards for self-driving cars McCarthy threatens motion to oust Pelosi if she moves forward with impeachment MORE, saying they are suffering from "Trump derangement syndrome."

Reacting to House Speaker Nancy Pelosi Nancy PelosiHoyer: House should vote on COVID-19 aid — with or without a bipartisan deal Ruth Bader Ginsburg lies in repose at Supreme Court McCarthy threatens motion to oust Pelosi if she moves forward with impeachment 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 Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout 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 Schumer Chuck SchumerCruz blocks amended resolution honoring Ginsburg over language about her dying wish Senate Democrats introduce legislation to probe politicization of pandemic response Schumer interrupted during live briefing by heckler: 'Stop lying to the people' 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.