Emerson Polling - National Poll: Sanders Tied with Biden; O'Rourke Gets Post-Announcement Bump
Very early Iowa Democratic primary poll finds Joe Biden, Bernie Sanders leading the field
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
Trump Competitive Against Candidates Not Named Biden, Sanders
Bernie Sanders is now tied with Joe Biden Reuters poll
Polls show Biden, Sanders and Warren at top of 2020 Democratic field - CBS News
KING 5 News poll: Biden edges Sanders days before Washington presidential primary | king5.com
New poll: Biden leads O'Rourke in Texas presidential primary, race against Sen. John Cornyn wide open
UH Poll: Biden, Sanders Virtually Tied In Texas – Houston Public Media
UT/TT Poll: Sanders and Biden Lead Texas Democratic Presidential Nomination Race; Trump Impeachment Trial Leaves Texans' Views Unwavering - UT News
Biden, Sanders Are Running Neck and Neck in Nationwide Poll - Bloomberg
Sanders, Biden are neck-and-neck in new NBC/WSJ national poll
KQED Poll: Bernie Sanders Dominates the Field in California | KQED
New poll shows Sen. Bernie Sanders with double-digit lead in California | FOX 5 San Diego
Poll: Bernie, Warren surge to tie Biden atop Democratic field - POLITICO
Biden Boasts 16-Point Lead Over Sanders in Democratic Presidential Race - Morning Consult
How Biden, Warren and Sanders fare vs. Trump in 2020 election polls
Texas primary: Bernie Sanders, Joe Biden tied, poll says | kvue.com
Bernie Sanders ahead of Joe Biden in Texas, new poll shows | KXAN Austin
New poll shows Joe Biden ahead of Bernie Sanders in Missouri presidential primary | FOX40
South Carolina primary: Joe Biden leads Bernie Sanders in NBC-Marist poll
How Joe Biden became the presumptive Democratic nominee — polling analysis - CBS News
Bernie Sanders supporters not yet on board with voting for Joe Biden
Poll: Biden and Sanders tied nationally, followed by Warren | The Hill
UMass poll gives Joe Biden, Bernie Sanders edge in 2020 New Hampshire Democratic primary - masslive.com
NH poll shows Biden, Sanders maintaining lead as Buttigieg makes surge
2020 Poll: Biden, Sanders Lead Democratic Race To Take On Trump For President : NPR
Biden holds double-digit lead over Sanders nationally: poll | The Hill
