National poll: Biden, Warren and Sanders locked together at top of primary - POLITICO
Polls show Biden, Sanders and Warren at top of 2020 Democratic field - CBS News
Bernie Sanders, Joe Biden, Elizabeth Warren lead new California poll
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
Sanders soars to double-digit lead in new poll of Democrats; Biden slumps | The Times of Israel
Sanders, Biden are neck-and-neck in new NBC/WSJ national poll
CNN Poll of Polls: Biden and Sanders lead national Democratic primary | CNN Politics
Florida primary: Poll shows Biden leads Sanders, except with young
KING 5 News poll: Biden edges Sanders days before Washington presidential primary | king5.com
2020 Poll: Biden, Sanders Lead Democratic Race To Take On Trump For President : NPR
How United Are Democrats? A 96-0 Data Point Offers a Hint - The New York Times
/cdn.vox-cdn.com/uploads/chorus_asset/file/19753741/1208692873.jpg.jpg "Bernie Sanders leads Joe Biden in national ranked-choice poll — but it's close - Vox")
Bernie Sanders leads Joe Biden in national ranked-choice poll — but it's close - Vox
How Biden, Warren and Sanders fare vs. Trump in 2020 election polls
Biden, Warren and Sanders top 3 national polls - POLITICO
Emerson Polling - August National Poll: Sanders Closing Gap with Biden; Mayor Pete Fades
New poll shows Joe Biden ahead of Bernie Sanders in Missouri presidential primary | FOX 4 Kansas City WDAF-TV | News, Weather, Sports
Lyceum poll: Bernie is Trump's toughest rival in Texas
UT/TT Poll: Sanders and Biden Lead Texas Democratic Presidential Nomination Race; Trump Impeachment Trial Leaves Texans' Views Unwavering - UT News
Texas primary: Bernie Sanders, Joe Biden tied, poll says | kvue.com
Suffolk/Globe poll finds Sanders, Warren, Buttigieg, Biden in tight race in N.H. - The Boston Globe
KQED Poll: Harris Slips in California, as Warren, Sanders and Biden Lead the Pack | KQED
Bernie Sanders is now tied with Joe Biden Reuters poll
USC Dornsife/LA Times poll: Biden is the favorite among likely voters at nearly 2:1 - Press Room USC
Biden, Sanders other Democrats lead Trump in Michigan, poll finds
Poll: Joe Biden, Bernie Sanders in dead heat with Texas Democratic primary voters
