California Governor Gavin Newsom joins Bloomberg Businessweek Editor Brad Stone for an exclusive Bloomberg Newsmaker live conversation from our San Francisco bureau. It starts at 2:15 pm ET. Some highlights: California Governor Gavin Newsom warned that a proposed one-time tax on billionaires will backfire by prompting the ultra-rich to leave the state. Newsom said the impact of a one-time tax does not solve an ongoing structural challenge and would result in a significant reduction in taxes