Harris becomes first woman of color to lead major party ticket; is expected to announce VP pick today

Vice President Kamala Harris, who formally secured the Democratic nomination Monday night, has begun a crucial week that includes her most critical decision yet: choosing a running mate. Harris will introduce her new running mate at a rally Tuesday evening in Philadelphia — but with the event mere hours away, her choice remains a mystery. In recent days, she has zeroed in on a trio of potential finalists: Pennsylvania Gov. Josh Shapiro, Arizona Sen. Mark Kelly and Minnesota Gov. Tim Walz, but decisions beyond that aren’t yet publicly known.Harris’ campaign planned to make the announcement via video message before the rally, though the exact timing remained unclear, according to a person involved in the planning who spoke on the condition of anonymity to detail discussions occurring behind closed doors. The development was the latest in a campaign that has moved swiftly since President Biden announced on July 21 that he was removing himself from the White House race and endorsing his vice president.While Harris had quickly secured enough delegates to become the Democratic nominee, delegates still had to participate in a “virtual roll call” to solidify her nomination.Harris was the only candidate eligible to receive votes after no other candidate...