California Governor Gavin Newsom has proposed a national minimum tax on billionaires. He also suggests creating a federal fund that would give the public a stake in artificial intelligence wealth. This proposal is part of a broader economic agenda outlined by Newsom.

The details of his plan were published in an essay on Substack. Further information on Newsom's proposal can be found through the original source, which provides more context on his economic agenda and the proposed federal fund and billionaire tax.