A Fox News poll released Friday shows 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 and Sens. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) and Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) all with head-to-head leads over 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 in Nevada.

Biden and Sanders each have a 7-point lead over the president, 47 percent to 40 percent, while Warren is up by 3 points, 44 percent to 41 percent.

South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE is tied with Trump at 41 percent each.

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The poll also shows that 52 percent of Nevada voters disapprove of the job Trump is doing as president, while 45 percent approve.

Seventy-four percent of Democratic voters in Nevada who were surveyed think its "extremely important" to have a Democratic nominee who can beat Trump in 2020.

The poll was conducted Nov. 10-13 and includes interviews with 1,506 Nevada voters and 627 potential caucusgoers who were contacted by landlines and cell phones.

The poll has a margin of error of plus or minus 2.5 percentage points for all registered voters and of plus or minus 4 points for Democratic caucusgoers.