Biden narrowly ahead in Iowa as Sanders surges, Warren drops: poll

Biden narrowly ahead in Iowa as Sanders surges, Warren drops: poll

Former Vice President Joe BidenJoe BidenHarris to host virtual Hollywood campaign event co-chaired by Reese Witherspoon, Mindy Kaling Trump plans to accept Republican nomination from White House lawn US seizes four vessels loaded with Iranian fuel MORE and Sen. Bernie SandersBernie SandersChris Wallace: Trump struggling with attacks on 'shape-shifter' Harris Kamala Harris: The outreach Latinos need Biden and Harris seen as more moderate than Trump and Pence: poll MORE (I-Vt.) are leading the 2020 Democratic primary field in the crucial caucus state of Iowa as Sen. Elizabeth WarrenElizabeth WarrenChris Wallace: Trump struggling with attacks on 'shape-shifter' Harris Markey riffs on JFK quote in new ad touting progressive bona fides Howard Kurtz: Kamala Harris 'getting walk on water coverage' by media after VP pick MORE (D-Mass.) sinks, according to a Emerson College poll released Tuesday.

Biden and Sanders are neck-and-neck at the top of the survey, garnering the support of 23 percent and 22 percent of Democratic caucusgoers, respectively. South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegThe Hill's Morning Report - Presented by Facebook - The choice: Biden-Harris vs. Trump-Pence California Democrats back Yang after he expresses disappointment over initial DNC lineup Obamas, Clintons to headline Biden's nominating convention MORE (D) comes in third, at 18 percent, and Warren sits at fourth, with 12 percent.

Sen. Amy KlobucharAmy KlobucharElection security advocates see strong ally in Harris The Hill's Morning Report - Presented by Facebook - The choice: Biden-Harris vs. Trump-Pence California Democrats back Yang after he expresses disappointment over initial DNC lineup MORE (D-Minn.) comes in fifth place in the poll, at 10 percent, while no other candidate breaks double digits.

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While Biden remained steady from the same poll in October and Buttigieg inched up 2 points, Tuesday’s survey shows significant swings for Sanders and Warren, who are waging a protracted fight to be the primary field’s progressive figurehead.

Sanders rose 9 points from 13 percent in October’s poll, while Warren dropped by 11 points, finding herself sinking from a first-place spot to fourth in a few months’ time.

Klobuchar also enjoyed a boost as she works to burnish her centrist credentials, leaping 9 points from October when she polled at just 1 percent.

Sanders has enjoyed a months long jump in support since a heart attack thrust his campaign into uncertainty, garnering the endorsements of progressive firebrands Reps. Alexandria Ocasio-CortezAlexandria Ocasio-CortezDemocrats hammer Trump for entertaining false birther theory about Harris Overnight Energy: EPA finalizes rollback of Obama-era oil and gas methane emissions standards | Democratic lawmakers ask Interior to require masks indoors at national parks | Harris climate agenda stresses need for justice Markey riffs on JFK quote in new ad touting progressive bona fides MORE (D-N.Y.), Ilhan OmarIlhan OmarOcasio-Cortez celebrates 'squad' primary victories: 'The people triumphed' The Hill's Morning Report - Presented by Facebook - The choice: Biden-Harris vs. Trump-Pence Omar fends off primary challenge in Minnesota MORE (D-Minn.) and Rashida TlaibRashida Harbi TlaibOcasio-Cortez celebrates 'squad' primary victories: 'The people triumphed' Omar fends off primary challenge in Minnesota Centrists, progressives rally around Harris pick for VP MORE (D-Mich.) as well as National Nurses United and the Los Angeles teachers union. 

Meanwhile, Warren has seen her poll numbers in national and early state surveys tick downward as her 2020 contenders and special interest groups hammer her over her “Medicare for All” plan and how she intends to pay for it.

Polling shows Sanders and Warren to be competing for similar groups of voters, with the two candidates ranking as the top two choices among voters under the age of 50 and those who describe themselves as “very liberal,” according to the Emerson survey.

The Emerson poll surveyed 325 Democratic caucusgoers from Dec. 7 to 10 and has a margin of error of 5.4 percentage points.