Gov. Newsom endorses Kamala Harris: 'Tough. Fearless. Tenacious.'

(NewsNation) — With nearly 4,000 delegates up for grabs during the Democratic National Convention this August, it's unknown who exactly will try to replace President Joe Biden on the ticket.

Rep. John Garamendi, D-Calif., tells “NewsNation Prime” that Biden's endorsement of his running mate, Vice President Kamala Harris, has "slammed the door" for other Democratic hopefuls like California Gov. Gavin Newsom.

Newsom has already endorsed Harris, calling her "tough," "fearless" and "tenacious" in a post on X...