How Joe Biden is Defusing Tensions With the Left | Time
Sanders, Biden are neck-and-neck in new NBC/WSJ national poll
Emerson Polling - National Poll: Sanders Tied with Biden; O'Rourke Gets Post-Announcement Bump
New poll shows Sen. Bernie Sanders with double-digit lead in California | FOX 5 San Diego
New CNN poll puts Biden in the lead; Sanders and Warren behind by 10+ points - YouTube
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
New poll: Biden leads O'Rourke in Texas presidential primary, race against Sen. John Cornyn wide open
Poll: Bernie, Warren surge to tie Biden atop Democratic field - POLITICO
UMass Amherst/WCVB Poll: African American voters seeking candidate who can beat Trump
Bernie Sanders supporters not yet on board with voting for Joe Biden
New poll shows Joe Biden ahead of Bernie Sanders in Missouri presidential primary | FOX40
UT/TT Poll: Sanders and Biden Lead Texas Democratic Presidential Nomination Race; Trump Impeachment Trial Leaves Texans' Views Unwavering - UT News
Bernie Sanders leads Pa. primary in poll, with close race against Trump
Biden And Sanders Amp Up Criticism As Polls Show Edging Ahead In Democratic Race : NPR
KQED Poll: Bernie Sanders Dominates the Field in California | KQED
Bernie Sanders is now tied with Joe Biden Reuters poll
NH poll shows Biden, Sanders maintaining lead as Buttigieg makes surge
Biden Boasts 16-Point Lead Over Sanders in Democratic Presidential Race - Morning Consult
Bernie Sanders ahead of Joe Biden in Texas, new poll shows | KXAN Austin
KING 5 News poll: Biden edges Sanders days before Washington presidential primary | king5.com
Poll: Biden and Sanders tied nationally, followed by Warren | The Hill
Very early Iowa Democratic primary poll finds Joe Biden, Bernie Sanders leading the field
