After failing to block from the ballot a measure that would enact a billionaire tax in his state, California Gov. Gavin Newsom is now proposing a national wealth tax of his own. In a lengthy Substack post and video released Friday morning, Newsom — who opposes a proposed one-time levy in his own state as he mulls a 2028 presidential run — said he instead supported a more expansive plan. His proposal would create a minimum tax on billionaires and a national public equity fund whereby Americans