FILE – President Joe Biden walks with Vice President Kamala Harris in the Rose Garden of the White House, May 13, 2021, in Washington. Harris could become the first Black woman to head a major party’s presidential ticket after President Joe Biden’s ended his reelection bid. The 59-year-old Harris was endorsed by Biden on Sunday, July 21, after he stepped aside amid widespread concerns about the viability of his candidacy. (AP Photo/Evan Vucci)