Barack Obama endorses his longtime deputy Joe Biden for US president
You Believe This S--t?' Biden's Complicated Friendship With Obama - POLITICO
Opinion | Obama Pivots Left - The New York Times
A Socially Distanced Conversation: President Barack Obama and Vice President Joe Biden - YouTube
Barack Obama poised to add his star appeal to Joe Biden's campaign | Barack Obama | The Guardian
Biden and Obama will hold their first joint rallies on Saturday in Detroit and Flint, Mich. - The New York Times
Obama to join Biden for virtual fundraiser
Issue Approvals of Biden, Trump, Obama in 6 Charts
Biden and Obama over the years
Obama Urges Democrats: 'Whatever You've Done So Far Is Not Enough' - The New York Times
2020 election: Joe Biden is running as Obama's heir. The problem: He's not Obama. - POLITICO
How Obama Can Win the 2020 Election – for Joe Biden
Biden and Obama Transitions: Similarities and Differences | Federal Budget IQ
Barack Obama Endorses Joe Biden In 2020 Race : NPR
Obama and Biden reunite on campaign trail, raise over $11M in grassroots fundraiser - ABC News
Obama joins Biden for first campaign stump, says 'We have to do more' to get him elected
Obama blasts Trump, praises Biden in new 2020 campaign video | AP News
Obama emerges as central figure in 2020 presidential race | The Seattle Times
Why Joe Biden needed the Sanders and Obama endorsements | YouGov
Obama rips into Trump's record in 2020 campaign trail debut | CBC News
Barack Obama is waiting on whether to endorse former VP Joe Biden
Biden's 2020 Announcement Brought Praise From Obama - The Atlantic
Obama breaks primary silence to praise Biden but stops short of endorsement - POLITICO
In Obama, Democrats see a bridge between Biden and young voters | PBS NewsHour
