2020 Poll: Biden, Sanders Lead Democratic Race To Take On Trump For President : NPR
Biden leads Sanders by 16 points in post-Super Tuesday poll
Sanders, Biden are neck-and-neck in new NBC/WSJ national poll
Democrats see Biden and Sanders as very different ideologically | Pew Research Center
CNN Poll of Polls: Biden and Sanders lead national Democratic primary | CNN Politics
Biden Way Ahead in Sunshine State | FAU Business
Biden Boasts 16-Point Lead Over Sanders in Democratic Presidential Race - Morning Consult
March 10th: Another Good Night for Joe Biden - Edison Research
Bernie Sanders ahead of Joe Biden in Texas, new poll shows | KXAN Austin
Democrats vote in Florida and more: What polls show for Biden, Sanders
New poll shows Bernie Sanders is the front runner in Nevada
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
Biden, Sanders other Democrats lead Trump in Michigan, poll finds
Voters Increasingly Place Biden Closer to the Ideological Extreme
Iowa Poll: Biden, Sanders top early look at possible 2020 caucus field
Biden, Warren and Sanders top 3 national polls - POLITICO
How Biden, Warren and Sanders fare vs. Trump in 2020 election polls
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
KQED Poll: Bernie Sanders Dominates the Field in California | KQED
Weighing Biden vs. Sanders? Compare where they stand on key issues | PBS NewsHour
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
Chart: Bernie Sanders Takes the Lead | Statista
Bernie Sanders is now tied with Joe Biden Reuters poll
