As a proposed billionaire tax in California moves forward, Gov. Newsom says other approaches are needed, including closing a tax loophole used by the ultra-rich.

California Governor Gavin Newsom proposes a federal billionaire tax and public equity fund to take a major stake in the AI economy, with potential

As a proposed billionaire tax in California moves forward, Gov. Newsom says other approaches are needed, including closing a tax loophole used by the ultra-rich.