Kamala Harris
But he also reiterated complaints about ABC News, which is scheduled to host the next debate.
The former president's dig at Harris left people on social media unimpressed.
The two top-ranking Democrats said the vice president wanted to earn support for the nomination "from the grassroots up, not top down."
Though the 32-time Grammy winner has not formally endorsed Harris, she’s backed Democrats like Barack Obama and Hillary Clinton in the past.
WHAT'S HAPPENING
As racist and sexist remarks proliferate on social media, congressional Republicans are walking back certain attacks on Harris.
The CNN anchor tried to wrap his head around one of the latest Kamala Harris memes.
The actor's endorsement comes nearly two weeks after he published an op-ed calling for Biden to end his reelection campaign.
“There’s wrong & then there’s REALLY?” one critic wrote.
Kentucky Gov. Andy Beshear mocked the former president and his running mate with just one line.
Regardless of how inevitable Biden’s decision to withdraw from the November election appeared to be, his choice to pass the proverbial torch was his and his alone.