The Obamas and the Bidens greeting people gathered on the lawn of the Old State Capitol in 2008 in Springfield, Illinois, during the first Obama presidential campaign. AFP
Barack Obama, Michelle Obama, then-vice president Joe Biden, Supreme Court Associate Justices Stephen Breyer and Ruth Bader Ginsburg at an event in the East Room of the White House in 2010. AP
US president-elect Barack Obama, his wife Michelle, vice president-elect Joe Biden and his wife Jill at an election night party in Chicago, Illinois. AFP
US president-elect Senator Obama and vice president-elect Senator Biden stand with Mr Biden's mother Jean during their election night victory rally in Chicago, in 2008. Reuters
Barack Obama high fives Joe Biden. Photo: National Archives
President Joe Biden and Barack Obama walk on the White House driveway. Photo: National Archives
Then vice president Joe Biden talks to President Barack Obama at their election night party in 2012. AP
Then President Obama walks with his Vice President at the time, Joe Biden, to the Oval Office of the White House in 2015. AP
On January 12, 2017 US President Barack Obama awarded Vice President Joe Biden the Presidential Medal of Freedom. AFP
The two arrive for the Presidential Inauguration of Donald Trump at the US Capitol in Washington in 2017. AP
Then-president Barack Obama is applauded after signing the Affordable Care Act into law in the East Room of the White House in Washington with Joe Biden. AP
