For Biden VP, Black Democrats are torn between Harris and Warren
National poll shows Biden, Warren pulling ahead - YouTube
Elizabeth Warren neck-and-neck with Joe Biden in Democratic primary polls - masslive.com
Warren and Biden stop playing nice as she zooms in the polls - POLITICO
NBC/WSJ poll: Biden, Warren rising, Harris plummets
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
National poll: Biden, Warren and Sanders locked together at top of primary - POLITICO
Biden, Warren lead Democratic presidential primary race in Mass., poll finds - The Boston Globe
Biden, Warren Gain in Latest Poll of Democratic Primary Voters - WSJ
Joe Biden still leads Florida, but Elizabeth Warren gaining fast, FAU poll finds
Poll: Biden holds significant lead over Warren, Sanders in Nevada; top issue is electing someone who can beat Trump – The Nevada Independent
2020 Democratic polls: Biden, Warren, Harris, Sanders on top in early contests, CBS News Battleground Tracker finds - CBS News
Poll Finds Presidential Race Still Wide-Open in California | KQED
Bernie Sanders, Joe Biden, Elizabeth Warren lead new California poll
Poll: Biden's lead narrows, Warren rises, Sanders third, Buttigieg up
How Biden, Warren and Sanders fare vs. Trump in 2020 election polls
Saint Anselm poll: Buttigieg surges to 10 percentage point lead over Biden, Warren in NH
Biden, Warren lead in latest NBC/WSJ 2020 Democratic poll
New poll shows Joe Biden ahead of Bernie Sanders in Missouri presidential primary | FOX40
Poll: Biden leads Warren by 15 points in California | The Hill
Biden Plummets, Sanders and Warren Rise in New National Poll – Rolling Stone
How United Are Democrats? A 96-0 Data Point Offers a Hint - The New York Times
Warren, Biden in virtual dead heat in Saint Anselm College poll of NH primary voters
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
Elizabeth Warren's New Role: Key Joe Biden Policy Adviser | WBUR News
