California Governor Gavin Newsom has proposed a national tax on multimillionaires. This is part of what he calls an economic restart agenda for the United States. Newsom's plan is seen as the first step in this agenda, according to his advisors.

Details of the proposal are available from the source, including the context in which it was announced. Newsom made the announcement on a Friday, revealing his vision for the country's economic future. Further information on the proposed national tax and the economic restart agenda can be found through KVIA ABC-7's source, which provides more insight into Newsom's plans and their potential implications.