WASHINGTON – Kamala Harris will be confirmed as the Democratic US presidential nominee in an electronic vote starting Thursday that replaces the fanfare of in-person balloting that usually kicks off the party’s national convention.Less than two weeks after Joe Biden ended his reelection bid, his 52-year-old vice president is in full control of the party, having emerged as the only Democrat in the running to challenge Republican Donald Trump in November.Just under 4,000 delegates, the grassroots activists and politicians allocated during the primary process, sent in signatures backing…