Sen. Rand PaulRandal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (R-Ky.) blocked a resolution calling for special counsel Robert MuellerRobert (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 report on the Russia probe be made public, marking the fifth time Republicans have blocked the House-passed measure.
 
 
"What we're talking about is basic transparency, let's make sure the full Mueller report is released to Congress … and then let's make sure the American people see as much of this report as possible," Warner said from the Senate floor. 
 
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He added that to warn future campaigns and candidates about potential election interference "we need to fully understand what the Russians were trying to do."
 
Under Senate rules, any one senator can request that any bill or resolution be passed. But because it requires the signoff of every senator, any one senator can also block their request.  
 
Paul objected because Warner wouldn't agree to amend the nonbinding House-passed resolution to include provisions calling for the public release of communications between several Obama-era officials including former President Obama, former FBI Director James ComeyJames Brien ComeyBook: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa Graham: Comey to testify about FBI's Russia probe, Mueller declined invitation MORE and former CIA Director John BrennanJohn Owen BrennanJournalism or partisanship? The media's mistakes of 2016 continue in 2020 Comey on Clinton tweet: 'I regret only being involved in the 2016 election' Ex-CIA Director Brennan questioned for 8 hours in Durham review of Russia probe MORE.
  
Paul argued that Congress still needs to figure out the "entire story" including the origins of the investigation into President TrumpDonald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE's campaign and a controversial research dossier compiled against then-candidate Trump. 
 
"I think it's very important that we not turn our country into this back and forth where each successive party tries to use the apparatus of government to investigate the previous president," Paul said. 
 
"What we don't know is was President Obama told that the evidence to get this investigation started was paid for by the Hillary ClintonHillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE campaign? We need to know that," Paul continued. 
 
Paul has warned that he would block the resolution backing the Mueller report's release unless information about the opposition research dossier compiled against Trump was also released. He first blocked the House-passed resolution last week. 
 
"It was so scandalous and so unverified and has turned out to be untrue, and yet this was the basis for the beginning of the investigation. This was the basis for doing something extraordinary," Paul added on Thursday of the dossier. 

A 2018 memo from the House Intelligence Committee, which was controlled at the time by Republicans, found that the FBI's counterintelligence investigation into whether Trump campaign officials had improper contacts with Russia was triggered by information the bureau obtained about George Papadopoulos, a former adviser to the campaign. 

Thursday's floor drama comes after The New York Times reported that some members of Mueller's team believe the four-page letter from Attorney General William BarrBill BarrBarr says Ginsburg 'leaves a towering legacy' Republicans call for DOJ to prosecute Netflix executives for releasing 'Cuties' Trump doesn't offer vote of confidence for FBI director MORE that summarized the principal conclusions didn't sufficiently portray their findings, which they suggested could be more damaging to Trump than Barr conveyed.
 
It marks the fifth time Democrats have tried to pass the House resolution, which says there is “overwhelming public interest” in the government releasing the contents of the high-profile Mueller report. The resolution calls on the Justice Department to fully release the report to Congress and to release it to the public “except to the extent the public disclosure of any portion thereof is expressly prohibited by law.”
 
Mueller handed over his report to the Justice Department, marking the formal end to his two-year investigation. Barr is expected to testify on the report early next month.
 
In addition to Paul, Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE (R-Ky.) has twice blocked the House resolution from being passed, arguing that Barr is currently working with Mueller to determine what from the report can be released. 
 
Sen. Lindsey GrahamLindsey Olin GrahamSenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-S.C.), the chairman of the Senate Judiciary Committee, has also blocked the House-passed resolution.
 
Graham voiced opposition to the resolution, citing Senate Minority Leader Charles SchumerChuck SchumerPelosi orders Capitol flags at half-staff to honor Ginsburg Ginsburg in statement before her death said she wished not to be replaced until next president is sworn in Democrats call for NRA Foundation to be prohibited from receiving donations from federal employees MORE's (D-N.Y.) refusal to amend it to include a provision calling on the Justice Department to appoint a special counsel to investigate alleged department misconduct in the handling of the investigation into 2016 Democratic candidate Hillary Clinton's email use and the Foreign Intelligence Surveillance Act applications related to Trump campaign adviser Carter Page.