Senate Democrats held a nearly four-hour talk-a-thon on Monday night to protest the latest GOP bill to repeal and replace ObamaCare ahead of a potential vote next week. 

 
 
 
"It's just another version of the same old cruel, heartless, shameless plan that Republicans have spent the last eight months trying to jam down the throats of the American people," she said from the Senate floor. 
 
 
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Sen. Cory BookerCory Anthony BookerDemocrats embracing socialism is dangerous for America Kavanaugh recommended against Clinton indictment in 1998: report Kavanaugh once said president would likely have to testify before grand jury if subpoenaed: report MORE (D-N.J.) said the upcoming debate over the Graham-Cassidy health care bill is a "moral moment" and a "call to the conscience of our country." 

"We face a time of jeopardy. Decision point. A cross roads ... of our values, a cross roads of our ideals," he said. "The decisions made here are not always easy." 
 
In addition to Merkley, Warren, Durbin and Booker, Democratic Sens. Tammy BaldwinTammy Suzanne BaldwinTrump touts GOP election wins: ‘We have the team we want’ The Hill's Morning Report — GOP seeks to hold Trump’s gains in Midwest states Dems make history in Tuesday's primaries MORE (Wis.), Bob CaseyRobert (Bob) Patrick CaseyTop Koch official fires back at critics: We are not an 'appendage' of the GOP Dem senator: Media should stop covering Trump rallies like they're breaking news The Hill's Morning Report: Trump tries to rescue Ohio House seat as GOP midterm fears grow MORE Jr. (Pa.), Ron WydenRonald (Ron) Lee WydenGroup files lawsuit to force Georgia to adopt paper ballots Treasury releases proposed rules on major part of Trump tax law Rubio slams Google over plans to unveil censored Chinese search engine MORE (Ore.) and Brian SchatzBrian Emanuel SchatzPentagon’s No. 2 official: Trump’s ‘Space Force’ could cost 'billions' Senate Dem rips 'Space Force:' No Republican is willing to tell Trump it's a 'dumb idea' EPA pushes back on asbestos criticisms MORE (Hawaii) spoke from the floor.
 
"I want to be clear, this Cassidy bill will flunk the Jimmy Kimmel test of not hurting kids in America with pre-existing conditions," Wyden said. 
 
Murphy, wrapping up the Democratic speeches, argued that the Graham-Cassidy healthcare bill was the "meanest version of TrumpCare yet." 

"Kids are going to die if they don't have access to healthcare," Murphy said. "If 20 million people lose insurance ... thousands of people won't be able to survive." 

The CBO hasn't estimated yet how many individuals would lose their health insurance under the Graham-Cassidy bill. The agency previously estimated that 22 million people could become uninsured under previous GOP bill. 

Murphy noted that as a member of the Senate's Health Committee he's been working on a bipartisan deal aimed at stabilizing health insurance markets. 

"What a great trick Republicans will have pulled on this country. Everybody said that the repeal bill was dead; that we were going to move on to a bipartisan process," he said. "What a great head fake that would be if it was all a lie. If it was all a ruse." 
 
 
In addition to floor speeches, Booker also held a Facebook Live event with colleagues, including Schumer, off the Senate floor to discuss the GOP healthcare bill.  
 
Democrats don't have the ability to block a GOP ObamaCare repeal bill on their own. Under the special "reconciliation" budget rules being used by Republicans, which expire at the end of the month, GOP lawmakers can avoid a Democratic filibuster and pass a healthcare bill with a simple majority. 
 
A repeal bill has little chance of passing the Senate if Democrats are able to filibuster it, meaning Republicans would need to win over at least eight Democrats to pass a bill. 
 
 
Cassidy and Graham have said believe they have roughly 48 GOP senators who would be willing to vote yes, putting them close, but not yet at, the 50 votes needed to let Vice President Pence break a tie. 
 
If Democrats want to block the bill they need to win over at least three GOP senators. Republican Sens. Lisa MurkowskiLisa Ann MurkowskiKavanaugh has 'productive' meeting with key swing votes Budowsky: Collins, Murkowski and Kavanaugh Alaska fishermen worry Trump tariffs will be ‘devastating’ to seafood industry MORE (Alaska), Susan CollinsSusan Margaret CollinsTrump draws bipartisan fire over Brennan Kavanaugh has 'productive' meeting with key swing votes Budowsky: Collins, Murkowski and Kavanaugh MORE (Maine) and John McCainJohn Sidney McCainComey: Trump revoking Brennan's security clearance shows 'he will punish people who disagree with him' Businesses fear blowback from Russia sanctions bill GOP’s midterm strategy takes shape MORE (Ariz.) previously voted against the July repeal effort. 
 
 

—Last updated at 11:09 p.m.