California Governor Gavin Newsom has proposed a national tax on billionaires. This is part of his "economic reset for America" agenda. Newsom's aides have indicated that this proposal is connected to his consideration of a presidential campaign.

Details of the proposal are available from the source. It is known that Newsom opposes a California wealth tax, instead opting for a national approach. Further information on Newsom's "economic reset for America" agenda and the proposed billionaire tax can be found through CNN, as reported by KVIA ABC-7.