Former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE said in an interview broadcast Friday night that he hopes Republican senators have "courage" for a possible impeachment trial against President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE.

Biden said during the interview on "CNN Tonight with Don Lemon Don Carlton LemonCNN's Don Lemon: 'Blow up the entire system' remark taken out of context CNN's Lemon: 'We're going to have to blow up the entire system' if Democrats win back White House, Senate Scaramucci to Lemon: Trump 'doubling down' on downplaying virus 'should scare' viewers MORE" that he hopes the Democratic-led House votes to impeach Trump, but the former longtime senator and vice president stopped short of saying whether the Senate should vote to remove the president from office. Instead, he emphasized that senators should remember their place in history.

"I believe [Trump] should be impeached and have the Senate try whether or not they are high crimes and misdemeanors that would cause him to be thrown out of office," the 2020 Democratic presidential hopeful told CNN.

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"I hope they have the courage," Biden continued. "I hope they remember, this is a moment — a moment when their record is going down in history as whether they played it by the rules."

Biden, who served for 36 years in the Senate before becoming vice president, has previously said he would not rule out the possibility of senators backing impeachment.

His latest remarks come as Senate Republicans have signaled a focus on targeting him and his son over unfounded allegations about Hunter Biden's time on the board of a Ukrainian energy company while his father served in the Obama administration.

The former vice president lashed out at Sen. Lindsey Graham (R-S.C.) in the CNN interview, blasting the Senate Judiciary Committee chairman after he asked the State Department to hand over any documents pertaining to the Bidens and Ukraine.

"I am disappointed and, quite frankly, I'm angered by the fact," he told Lemon. "He knows me. He knows my son. He knows there's nothing to this."

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Trump and other members of his administration have faced scrutiny as part of the House impeachment inquiry over their dealings with Ukraine. Lawmakers wrapped up two weeks of public testimony from various current and former administration officials on Thursday.

The House Intelligence Committee hearings focused in large part on Trump's July 25 phone call with Ukrainian President Volodymyr Zelensky in which Trump urged the foreign leader to launch an investigation into the Bidens as well as the 2016 election.

House Democrats have not officially said when a vote may happen on impeachment, though such a vote is expected to pass in the Democratic-led chamber. That would shift proceedings to the GOP-led Senate, where Republican leaders have said they expect Trump to be acquitted.