KING 5 News poll: Biden edges Sanders days before Washington presidential primary | king5.com
Biden, Sanders Have Nearly Identical Lead Over Trump in Hypothetical Matchup
Saint Anselm poll: Buttigieg surges to 10 percentage point lead over Biden, Warren in NH
Don't Worry About the Democratic Presidential Polls | The New Yorker
Why Bernie Sanders Is Electable, Too
Biden leads Sanders by 16 points in post-Super Tuesday poll
Compare Bernie Sanders and Joe Biden on the issues
Compare Bernie Sanders and Joe Biden on the issues
KQED Poll: Bernie Sanders Dominates the Field in California | KQED
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
Chart: Biden Feeling the Bern | Statista
Democratic poll: Biden has double-digit lead over Sanders | CNN Politics
USC Dornsife/LA Times poll: Biden is the favorite among likely voters at nearly 2:1 - Press Room USC
Biden Boasts 16-Point Lead Over Sanders in Democratic Presidential Race - Morning Consult
Poll: Biden leads Sanders by 22 points – The Hill
Texas primary: Bernie Sanders, Joe Biden tied, poll says | kvue.com
Sanders, Warren, Biden lead the Democratic Primary in California - Change Research
Marquette poll: Bernie Sanders takes double-digit lead in Dem field
Yahoo News/YouGov: Biden leads Sanders ahead of Michigan primary | YouGov
Chart: Biden Has Clear Lead Over Sanders, Trump | Statista
One Year From Election, Trump Trails Biden but Leads Warren in Battlegrounds - The New York Times
WMUR/CNN poll: Sanders holds big lead over Clinton; Biden key factor
UMass poll gives Joe Biden, Bernie Sanders edge in 2020 New Hampshire Democratic primary - masslive.com
Biden leads Sanders in new Michigan poll - YouTube
Sanders banked on young voters. Here's how the numbers have played out | PBS NewsHour
Sanders Supporters Don't Love Joe Biden. How Much Will That Matter? - Morning Consult
Biden Way Ahead in Sunshine State | FAU Business
