KING 5 News poll: Biden edges Sanders days before Washington presidential primary | king5.com
UMass Amherst/WCVB Poll: African American voters seeking candidate who can beat Trump
Chart: Bernie Sanders Takes the Lead | Statista
WMUR/CNN poll: Sanders holds big lead over Clinton; Biden key factor
Bernie Sanders supporters not yet on board with voting for Joe Biden
Texas primary: Bernie Sanders, Joe Biden tied, poll says | kvue.com
Biden, Sanders Have Nearly Identical Lead Over Trump in Hypothetical Matchup
Sanders Supporters Don't Love Joe Biden. How Much Will That Matter? - Morning Consult
On Super Tuesday “Gaps” - Edison Research
US election 2020: Five charts on the Democratic race to take on Trump - BBC News
CBS/YouGov Poll: Debate watchers believe Bernie Sanders made the best case for defeating Trump | YouGov
Bernie Sanders Pulls Away From Pack in California | KQED
USC Dornsife/LA Times poll: Biden is the favorite among likely voters at nearly 2:1 - Press Room USC
Biden Way Ahead in Sunshine State | FAU Business
Chart: Biden Has Clear Lead Over Sanders, Trump | Statista
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
New poll shows Joe Biden ahead of Bernie Sanders in Missouri presidential primary | FOX40
UMass poll gives Joe Biden, Bernie Sanders edge in 2020 New Hampshire Democratic primary - masslive.com
New poll shows Bernie Sanders in the lead in California | KRON4
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
Why Bernie Sanders Is Electable, Too
CNN 2020 poll: Joe Biden has double-digit lead over Bernie Sanders - CNN Video
Joe Biden holds the largest lead over President Donald Trump in battleground states | YouGov
Bernie Sanders ahead of Joe Biden in Texas, new poll shows | FOX 5 San Diego
Biden And Sanders Amp Up Criticism As Polls Show Edging Ahead In Democratic Race : NPR
