‘None of the above’ tops list of potential 2020 Dems, poll shows

With the 2018 midterms in the rearview mirror, several Democrats are gearing up for the 2020 presidential contest. But so far, no Democrat has attracted broad support from the party's base, according to a new Hill.TV American Barometer poll.

The survey, conducted among 680 registered voters who identified themselves as Democrats or independents, found that "none of the above" was the most popular choice among potential 2020 challengers to President TrumpDonald John TrumpHow to stand out in the crowd: Kirsten Gillibrand needs to find her niche Countdown clock is on for Mueller conclusions Omar: White supremacist attacks are rising because Trump publicly says 'Islam hates us' MORE.

Thirty percent of the sample said they would prefer that "none of the above" become the Democratic nominee when asked to choose among former Vice President Joe BidenJoseph (Joe) Robinette BidenHow to stand out in the crowd: Kirsten Gillibrand needs to find her niche Lessons from the 1999 U.S. military intervention in Kosovo Biden, Sanders edge Trump in hypothetical 2020 matchups in Fox News poll MORE, Massachusetts Sen. Elizabeth WarrenElizabeth Ann WarrenHow to stand out in the crowd: Kirsten Gillibrand needs to find her niche Biden, Sanders edge Trump in hypothetical 2020 matchups in Fox News poll Omar controversies shadow Dems at AIPAC MORE (D), Vermont Sen. Bernie SandersBernard (Bernie) SandersHow to stand out in the crowd: Kirsten Gillibrand needs to find her niche Biden, Sanders edge Trump in hypothetical 2020 matchups in Fox News poll O'Rourke tests whether do-it-yourself campaign can work on 2020 stage MORE (I), New Jersey Sen. Cory BookerCory Anthony BookerHow to stand out in the crowd: Kirsten Gillibrand needs to find her niche Biden, Sanders edge Trump in hypothetical 2020 matchups in Fox News poll Here's what the Dem candidates for president said about the Mueller report MORE (D), California Sen. Kamala HarrisKamala Devi HarrisHow to stand out in the crowd: Kirsten Gillibrand needs to find her niche Top Dem: 'Certainly a possibility' that Congress will call Barr, Mueller to testify publicly Biden, Sanders edge Trump in hypothetical 2020 matchups in Fox News poll MORE (D), former New York City Mayor Michael Bloomberg and former Secretary of State Hillary ClintonHillary Diane Rodham ClintonHow to stand out in the crowd: Kirsten Gillibrand needs to find her niche Ex-Clinton aide: Dems should make 2020 'about integrity' Trump mounts Rust Belt defense MORE.

Twenty-five percent of respondents said Biden would be their preferred nominee. Sanders, who ran in the Democratic presidential primary in 2016, came in second with 18 percent.

Twelve percent of the independents and Democrats surveyed picked Clinton, Sanders's one-time presidential rival, who signaled a willingness to run again, saying in an October interviewer that she would still "like to be president."

Other candidates attracted even less support. Harris, Bloomberg and Warren were each the top choice for just 4 percent of respondents.

Warren had been regarded by some progressive advocates as a strong candidate, but she may have lost some support after provoking controversy by releasing a DNA test to address persistent questions about her claims of Native American heritage. A Morning Consult/Politico poll from October found that just 34 percent of Democratic respondents believed Warren's actions were "appropriate."

The American Barometer survey was conducted on Nov. 5-6 among 680 registered voters by the HarrisX polling company. The sampling margin of error is 3.76 percentage points.

— Matthew Sheffield