New poll shows Sen. Bernie Sanders with double-digit lead in California | FOX 5 San Diego
Don't Worry About the Democratic Presidential Polls | The New Yorker
Bernie Sanders ahead of Joe Biden in Texas, new poll shows | FOX 5 San Diego
Chart: Biden Feeling the Bern | Statista
NBC News poll: Biden holds narrow lead over Sanders in South Carolina
Sanders Supporters Don't Love Joe Biden. How Much Will That Matter? - Morning Consult
CNN Poll of Polls: Biden and Sanders lead national Democratic primary | CNN Politics
Poll: Biden has a small edge over Sanders in Nevada – The Nevada Independent
Democratic poll: Biden has double-digit lead over Sanders | CNN Politics
Compare Bernie Sanders and Joe Biden on the issues
Yahoo News/YouGov: Biden leads Sanders ahead of Michigan primary | YouGov
2020 Democratic polls: Biden, Warren, Harris, Sanders on top in early contests, CBS News Battleground Tracker finds - CBS News
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
Texas primary: Bernie Sanders, Joe Biden tied, poll says | kvue.com
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
Biden leads Sanders in new Michigan poll - YouTube
Sanders banked on young voters. Here's how the numbers have played out | PBS NewsHour
New poll shows Joe Biden ahead of Bernie Sanders in Missouri presidential primary | FOX40
Biden leads Sanders by 16 points in post-Super Tuesday poll
KING 5 News poll: Biden edges Sanders days before Washington presidential primary | king5.com
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
Biden, Sanders Have Nearly Identical Lead Over Trump in Hypothetical Matchup
Chart: Biden Has Clear Lead Over Sanders, Trump | Statista
Warren Leads Tight Iowa Race as Biden Fades, Poll Finds - The New York Times
CBS/YouGov Poll: Debate watchers believe Bernie Sanders made the best case for defeating Trump | YouGov
USC Dornsife/LA Times poll: Biden is the favorite among likely voters at nearly 2:1 - Press Room USC
Compare Bernie Sanders and Joe Biden on the issues
