Sen. Bernie Sanders Bernie SandersOutrage erupts over Breonna Taylor grand jury ruling Dimon: Wealth tax 'almost impossible to do' Grand jury charges no officers in Breonna Taylor death MORE (I-Vt.) on Wednesday blasted what he called 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’s "outrageous" handling of 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 investigation, but stopped short of calling for the attorney general to resign.

“You have an attorney general who is supposed to tell the truth. You have an attorney general who was supposed to listen to what the United States Congress is requesting, and you don't need an attorney general who is not being honest or who is not being forthcoming in giving the American people what they need to know,” the 2020 presidential candidate told SiriusXM’s Michelangelo Signorile during an interview.

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“This is outrageous, but I gotta tell you, this is nothing new for the Trump administration,” Sanders said.

Asked whether Barr should resign or be impeached, the senator responded, “I don't know if he should resign or not."

"I really don't," he added. "And I've been preoccupied with other things.”

Sens. Elizabeth Warren Elizabeth WarrenDimon: Wealth tax 'almost impossible to do' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context Democrats shoot down talk of expanding Supreme Court MORE (D-Mass.), Kamala Harris Kamala HarrisHarris faces pivotal moment with Supreme Court battle Nearly 40 Democratic senators call for climate change questions in debates Joe Biden has long forgotten North Carolina: Today's visit is too late MORE (D-Calif.) and Kirsten Gillibrand Kirsten GillibrandSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Suburban moms are going to decide the 2020 election Jon Stewart urges Congress to help veterans exposed to burn pits MORE (D-N.Y.), who are also running for president, have called for the attorney general's resignation since the Tuesday revelation that Mueller said Barr’s four-page summary of the special counsel's investigation failed to capture key context.

"There is now public confusion about critical aspects of the results of our investigation,” Mueller wrote in a letter in March. “This threatens to undermine a central purpose for which the Department appointed the Special Counsel: to assure full public confidence in the outcome of the investigations."

Sanders on Wednesday also responded to reports that undocumented workers at Trump’s golf clubs have been forced to work overtime without pay.

“Here is a guy who is ranting and raving against undocumented people, oh my God, this is the greatest threat to America, and aren't we all shocked to learn that on one or more of his resorts he has undocumented workers,” Sanders said. “It doesn't matter what he says. He is a liar, and a racist, and this is a guy who cannot be reelected, that's for sure.”