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Biden support slips below 30 percent in new poll

Former Vice President Joe BidenJoe BidenTrump says he'll leave White House if Biden declared winner of Electoral College The Memo: Biden faces tough road on pledge to heal nation US records 2,300 COVID-19 deaths as pandemic rises with holidays MORE's support in the latest Hill-HarrisX poll of Democratic voters has fallen below 30 percent, his lowest mark in the survey so far.

The poll, released on Monday, found that 29 percent of likely Democratic primary voters support Biden as their first choice for president, while 16 percent back Sen. Bernie SandersBernie SandersThe Memo: Biden faces tough road on pledge to heal nation Clyburn: Biden falling short on naming Black figures to top posts Prepare for buyers' remorse when Biden/Harris nationalize health care MORE (I-Vt.).

This marks a 4-point drop for Biden from an identical poll conducted two weeks ago and immediately following the first 2020 Democratic debates. It also represents a 17-point drop from when same poll was first conducted in May, a month after Biden formally launched his campaign bid.

Sen. Kamala HarrisKamala HarrisThe Memo: Biden faces tough road on pledge to heal nation Biden can rebuild trust in our justice system by prioritizing prosecutorial reform Harris says she has 'not yet' spoken to Pence MORE (D-Calif.) and Sen. Elizabeth WarrenElizabeth WarrenThe Memo: Biden faces tough road on pledge to heal nation Disney laying off 32,000 workers as coronavirus batters theme parks Kamala Harris, Stacey Abrams among nominees for Time magazine's 2020 Person of the Year MORE (D-Mass.) retained their spots, with Harris getting 11 percent and Warren trailing close behind at 9 percent.

South Bend, Ind. Mayor Pete ButtigiegPete Buttigieg'Biff is president': Michael J. Fox says Trump has played on 'every worst instinct in mankind' Buttigieg: Denying Biden intelligence briefings is about protecting Trump's 'ego' Biden's win is not a policy mandate — he should govern accordingly MORE, who ranked as high as third place at one earlier poll, slipped to sixth place, garnering just 1 percent of support.

Former Texas Congressman Beto O'RourkeBeto O'RourkeMexican president breaks with other world leaders, refusing to acknowledge Biden win until election is finalized Mexico emerging as foreign policy challenge for Biden Beyoncé sports pro-Biden mask on Instagram MORE, who has been lagging in national polls over the last few months, notched up 2 points to 3 percent. 

A large number of respondents, 17 percent, were undecided.

The poll can be viewed as another setback for Biden, whose campaign has been grappling with attacks on his civil rights record in recent weeks.

Harris and Biden went head-to-head last month on the second night of the first Democratic presidential debates, where she confronted him on his past comments about working with segregationists senators and his past opposition to school busing.

The California senator saw a bump in a number of polls — including the Hill’s own Hill-HarrisX survey — following the confrontation.

Yet the poll continues to show Biden with a double digit lead over Sanders, and he has more than twice the support of Harris and more than three times the support of Warren to this point.

The Hill-HarrisX poll surveyed 1,003 voters between July 12 and July 13. The sampling margin of error of plus or minus 3.1 percentage points.

—Tess Bonn