[1/3] U.S. President Joe Biden and Vice President Kamala Harris stand on stage together after delivering remarks at the DNC 2023 Winter Meeting in Philadelphia, Pennsylvania, U.S., February 3, 2023.
Biden could lose crucial votes if he were to drop Harris, who is both the first Black and Asian-American U.S. vice president.
While the vice president has disappointed some inside her party, Democrats see opportunity in the 2024 race.
He leans on her a lot," said Cedric Richmond, a former congressman and former senior adviser in Biden's White House.
"That was not her assignment," said the third former White House official, referring to reducing migrant crossings at the U.S.-Mexico border broadly.