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Warren, Harris surge into tie with Biden in new Iowa poll

Sens. Elizabeth WarrenElizabeth WarrenThe Hill's Morning Report - Dems to go-it-alone on infrastructure as bipartisan plan falters Democratic patience runs out on bipartisan talks NYC progressives anxiously watch Maya Wiley's ascent MORE (D-Mass.) and Kamala HarrisKamala HarrisIt's past time we elect a Black woman governor Manchin rebuffs progressive push for infrastructure guarantee It's time for domestic workers to have rights MORE (D-Calif.) have surged into a virtual tie with former Vice President Joe BidenJoe BidenJapan to possibly ease COVID-19 restrictions before Olympics 14 Republicans vote against making Juneteenth a federal holiday China supplies millions of vaccine doses to developing nations in Asia MORE in Iowa after last week’s debates, according to a new survey conducted for a Democratic group. 

The poll, conducted by Democratic pollster David Binder for the group Focus on Rural America, shows Warren leading the field with 20 percent of the vote, a statistical tie with Harris at 18 percent and Biden at 17 percent.

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Sen. Bernie SandersBernie SandersSanders opposes Biden Interior nominee in procedural vote Briahna Joy Gray on how Sanders changed the healthcare conversation Sanders 'delighted' DeSantis asked White House to import Canadian prescription drugs MORE (I-Vt.) is just off the podium at 12 percent, closely trailed by South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegHigh-speed rail getting last minute push in Congress Buttigieg: Bipartisan deal on infrastructure 'strongly preferred' OVERNIGHT ENERGY: Biden ends infrastructure talks with key Republican | Colonial Pipeline CEO grilled over ransomware attack | Texas gov signs bills to improve power grid after winter storm MORE at 10 percent. Sen. Amy KlobucharAmy KlobucharHillicon Valley: Big Tech critic Lina Khan named chair of the FTC | Lawmakers urge Biden to be tough on cyber during summit with Putin | TSA working on additional security regulations following Colonial Pipeline hack Big Tech critic Lina Khan named chair of the FTC Senate confirms Lina Khan to the FTC MORE (D-Minn.) clocks in at 4 percent, and Sen. Cory BookerCory BookerZombie Tax punishes farmers to fill DC coffers Rand Paul does not support a national minimum wage increase — and it's important to understand why Absences force Senate to punt vote on Biden nominee MORE (D-N.J.) scores 2 percent. Ten other candidates each notch 1 percent support in the Hawkeye State.

The poll shows Warren and Harris both doubling their support following strong performances in last week’s debate, while Biden and Sanders have slipped. In the group’s March poll, Biden led the field with 25 percent support, followed by Sanders at 17 percent.  

Klobuchar, Booker and former Rep. Beto O’Rourke (D-Texas) all saw their poll numbers slip. O’Rourke’s support slipped from 6 percent in the March poll to just 1 percent in the July survey, conducted entirely after the debates.

The debates certainly helped Harris and Warren: Voters who watched some or all of the two-night coverage said they were most likely to back one of the two senators, both of whom stood out onstage against their rivals.  

Harris has been steadily rising since she announced she would run in January.

Today, 82 percent of Iowa Democrats surveyed say they have a positive opinion about the California senator, up from 54 percent in a December poll and 73 percent in March. Warren is the most popular Democrat in the field, with 88 percent of respondents saying they have a positive opinion about the Massachusetts Democrat. 

Buttigieg’s image has also improved markedly, growing from a 44 percent positive image to an 80 percent positive image from March to July. 

On the other hand, Biden and Sanders have both seen opinions about them slide.

About three-quarters of Iowa Democrats polled, 74 percent, see Biden positively, down from 90 percent in December and 88 percent in March; Sanders’s positive image slipped from 83 percent in March to 73 percent in July.

Fewer than 1 in 3 Iowa Democrats see eight of the lesser-known contenders in a positive light: Businessman Andrew YangAndrew YangFive takeaways from the NYC Democratic mayoral debate NYC progressives anxiously watch Maya Wiley's ascent Danny Glover endorses Eric Adams in NYC mayoral race MORE, Reps. Eric SwalwellEric Michael SwalwellMo Brooks accuses Swalwell attorney who served papers on his wife of trespassing Senate on collision course over Trump DOJ subpoenas Democrats weigh next steps on Jan. 6 probe MORE (D-Calif.), Tim RyanTimothy (Tim) RyanJ.D. Vance emerges as wild card in Ohio GOP Senate primary 9 Senate seats most likely to flip in 2022 Biden faces dilemma on Trump steel tariffs MORE (D-Ohio) and Seth MoultonSeth MoultonOcasio-Cortez, Gillibrand and Moulton call for more high-speed rail funding in infrastructure package America must keep its promise to Afghan translators High-speed rail getting last minute push in Congress MORE (D-Mass.), Montana Gov. Steve BullockSteve BullockBiden 'allies' painting him into a corner Democratic Kansas City, Mo., mayor eyes Senate run Overnight Energy: Climate Summit Day 2 — Biden says US will work with other countries on climate innovation MORE (D), Sen. Michael BennetMichael Farrand BennetPast criticism of Trump becomes potent weapon in GOP primaries Hillicon Valley: Big Tech critic Lina Khan named chair of the FTC | Lawmakers urge Biden to be tough on cyber during summit with Putin | TSA working on additional security regulations following Colonial Pipeline hack Senators introducing B bill to help narrow digital divide MORE (D-Colo.), author Marianne WilliamsonMarianne WilliamsonSusan Sarandon and Marianne Williamson call for justice in Steven Donziger case Marianne Williamson: Refusal to hike minimum wage is part of 'rigged economy' Rush Limbaugh dead at 70 MORE and Wayne MessamWayne Martin MessamKey moments in the 2020 Democratic presidential race so far Wayne Messam suspends Democratic presidential campaign 2020 primary debate guide: Everything you need to know ahead of the November forum MORE, the mayor of Miramar, Fla.

The survey of 600 likely Iowa Democratic caucusgoers was conducted June 29-July 1, over both landline and cellphones, carrying a margin of error of 4 percentage points.