Former Vice President Joe Biden Joe BidenMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE’s lead in North Carolina is narrowing as support rises for two of his Democratic presidential primary opponents, Sen. Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE (I-Vt.) and former New York Mayor Mike Bloomberg, according to a new poll from the left-leaning firm Public Policy Polling.

Biden is still leading the 2020 field in North Carolina at 23 percent, a 2-point drop since a poll released by the firm earlier this month.

Sanders closely trails Biden by 3 points in the new poll. The senator’s support increased 4 points to 20 percent.

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Bloomberg, meanwhile, saw a 3-point uptick, and is in third place in the state with 17 percent support, based on the poll.

Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.) trailed in a more distant fourth place at 11 percent, with former South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBipartisan praise pours in after Ginsburg's death Bogeymen of the far left deserve a place in any Biden administration Overnight Defense: Woodward book causes new firestorm | Book says Trump lashed out at generals, told Woodward about secret weapons system | US withdrawing thousands of troops from Iraq MORE behind her at 9 percent.

Sen. Amy Klobuchar Amy KlobucharThe Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill EPA delivers win for ethanol industry angered by waivers to refiners It's time for newspapers to stop endorsing presidential candidates MORE (D-Minn.) registered at 4 percent support in the survey.

Public Policy Polling interviewed 852 likely Democratic primary voters in North Carolina on Feb. 23 and 24. The survey's margin of error is 3.4 percentage points.

North Carolina's primary is among the Super Tuesday contests on March 3.

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Ahead of Super Tuesday, the candidates, minus Bloomberg, will appear on the South Carolina primary ballot. Bloomberg is skipping the first four states on the primary calendar.

South Carolina is the first state to cast ballots with a significant African American population, and results there could shake up the standing in the race.

Sanders is leading the Democratic field heading into the South Carolina primary after victories in Nevada and New Hampshire.