Obama boasted about opposing gas tax holiday, but Biden now wants one
US Election 2020: Who is Joe Biden, president-elect? - BBC News
Former vice president Joe Biden jumps into White House race - The Washington Post
Obama had a coalition. Biden built a new one and here's how it's different.
You've Got to Have Purpose.' Joe Biden's 2020 Campaign Is the Latest Test in a Lifetime of Loss | Time
Wikipedia and the 2008 US elections/Joe Biden - Wikiversity
PolitiFact | How Biden managed to win far more votes in 2020 than Obama did in 2008 — but far fewer counties
New Hanover backs Joe Biden, first Democratic presidential win in years
Book: Obama, Biden clashed in '08 - POLITICO
Joe Biden: Age, Presidency, Family - HISTORY
Long-time pals Biden and McCain now spirited foes | Reuters
Why former president Obama picked Joe Biden as his VP: 'We couldn't have been more different'
Four ways Joe Biden's 2020 run could be very different from 2008 - The Boston Globe
Photos: Joe Biden and his decades of public life - WTOP News
2008 Democratic National Convention: Day 3 | MPR News
Obama taps Biden
Joe Biden 2008 presidential campaign - Wikipedia
Senator Joe Biden 2008 Acceptance Speech | C-SPAN.org
.jpg "How Joe Biden went from flop to front-runner in Iowa - POLITICO")
How Joe Biden went from flop to front-runner in Iowa - POLITICO
Biden and Obama's 'Odd Couple' Relationship Aged Into Family Ties - The New York Times
Senator Joe Biden 2008 Acceptance Speech | C-SPAN.org
Biden Was 'Hesitant' to Sign on As Obama's VP Nominee in 2008: Book
Religion and Politics '08: Joe Biden | Pew Research Center
Biden and Obama over the years | Reuters.com
08.27.2008 - What Biden brings to the party
Biden Campaign Speech | C-SPAN.org
/cdn.vox-cdn.com/uploads/chorus_image/image/63389170/GettyImages-79739525.0.jpg "Joe Biden odds of winning nomination: They're good - Vox")