Sen. Chris Murphy Christopher (Chris) Scott MurphyDemocratic senator calls for 'more flexible' medical supply chain to counter pandemics The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon GOP chairman to release interim report on Biden probe 'in about a week' MORE (D-Conn.) voiced his disdain Tuesday afternoon for the proposal by GOP senators that would allow members of the upper chamber to read over former national security adviser John Bolton John BoltonDiplomacy with China is good for America The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Pence lauds Harris as 'experienced debater'; Trump, Biden diverge over debate prep DOJ launches probe into Bolton book for possible classified information disclosures MORE’s unpublished book manuscript in a classified setting.

"It's total bullshit," Murphy said when asked about the idea during a recess from the Senate impeachment trial.

"You have to be able to put John Bolton under oath and question him," he added. "[GOP senators] are so scared of his testimony because they know it blows a giant hole in the president's case."

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The Connecticut senator said that we would vote against such a motion.

Murphy's assertions come as Democrats and Republicans in the Senate debate whether or not new witnesses will be called to give testimony during the ongoing impeachment trial of President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE, given the newest claims made by the former national security adviser.

Senate Democrats need four GOP swing votes to force additional testimony, such as Bolton's.

Senate Minority Leader Chuck Schumer Chuck SchumerRepublican senator says plans to confirm justice before election 'completely consistent with the precedent' Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Graham signals support for confirming a Supreme Court nominee this year MORE (D-N.Y.) also dismissed the idea of reviewing the manuscript in a classified setting Tuesday, calling it "absurd."

Monday night, Sen. James Lankford James Paul LankfordMcConnell works to lock down GOP votes for coronavirus bill Charities scramble to plug revenue holes during pandemic Warren calls for Postal Service board members to fire DeJoy or resign MORE (R-Okla.) said that the White House should give senators access to Bolton's draft.

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In the draft excerpts that were first reported on by The New York Times, Bolton asserts that President Trump linked congressionally approved military aid to Ukraine with an investigation into former Vice President Joe Biden Joe BidenBiden leads Trump by 36 points nationally among Latinos: poll GOP set to release controversial Biden report Can Donald Trump maintain new momentum until this November? MORE.

Bolton sent a copy of his manuscript to the White House late last year to make sure that no classified information was being revealed.

Trump's dealings with Ukraine are at the center of his ongoing impeachment trial in the Senate.

In addition, on Tuesday, the president's defense team wrapped up its opening arguments. The impeachment trial is now adjourned until Wednesday afternoon, when senators on both sides of the aisle will begin questioning.

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellOcasio-Cortez to voters: Tell McConnell 'he is playing with fire' with Ginsburg's seat McConnell locks down key GOP votes in Supreme Court fight Video shows NYC subway station renamed after Ruth Bader Ginsburg MORE (R-Ky.) announced that the questioning period would last two days — Wednesday and Thursday — with each session lasting up to eight hours.