FILE - Vice President Kamala Harris speaks in the East Room of the White House, March 18, 2024, in Washington. She’s already broken barriers, and now Harris could soon 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, File)

Vice President Kamala Harris flew to her first battleground state Wisconsin after locking up enough support from Democratic delegates to earn the party’s nomination. Democratic leaders Charles Schumer and Hakeem Jeffries endorsed Harris on Tuesday, capping off their party’s swift embrace of her 2024 candidacy.