San Francisco Democrats Gavin Newsom and Kamala Harris may publicly sing each other’s praises — but the frenemies are privately at each other’s throats as they both eye a 2028 White House bid. The two star Dems may be careening towards a “murder-suicide,” as one advisor once put it to the San Francisco Chronicle , if both decide to run for president, as petty feuds over book sales, a “hiking” snub and Harris’ decision to stay out of the California governor’s race boil over behind closed doors.