New poll shows Sen. Bernie Sanders with double-digit lead in California | FOX 5 San Diego
Polls show Biden, Sanders and Warren at top of 2020 Democratic field - CBS News
Yahoo News/YouGov: Biden leads Sanders ahead of Michigan primary | YouGov
Sanders Supporters Don't Love Joe Biden. How Much Will That Matter? - Morning Consult
Texas primary: Bernie Sanders, Joe Biden tied, poll says | kvue.com
2020 Democratic polls: Biden, Warren, Harris, Sanders on top in early contests, CBS News Battleground Tracker finds - CBS News
What Super Tuesday data tells us about who voted and why | PBS NewsHour
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
Chart: Biden Feeling the Bern | Statista
Why Bernie Sanders Is Electable, Too
New poll shows Bernie Sanders in the lead in California | KRON4
Sanders, Biden are neck-and-neck in new NBC/WSJ national poll
How Joe Biden became the presumptive Democratic nominee — polling analysis - CBS News
Poll: Biden's lead narrows ahead of South Carolina primary - YouTube
USC Dornsife/LA Times poll: Biden is the favorite among likely voters at nearly 2:1 - Press Room USC
Saint Anselm poll: Buttigieg surges to 10 percentage point lead over Biden, Warren in NH
New Polling Backs Up Leaked Trump Internals Showing Him Behind Joe Biden | Hardball | MSNBC - YouTube
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
Bernie Sanders Pulls Away From Pack in California | KQED
New poll shows Joe Biden as the leading 2020 Democratic candidate
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
Trump Competitive Against Candidates Not Named Biden, Sanders
Warren Leads Tight Iowa Race as Biden Fades, Poll Finds - The New York Times
Why Bernie Sanders Is Electable, Too
