Silicon Valley donors poured $194 million into California politics. Now comes the wealth tax fight Silicon Valley donors poured $194 million into California politics, with a proposed wealth tax and a growing artificial intelligence bubble triggering an onslaught of spending by the state's wealthiest residents, according to a Mercury News report. Getting your Trinity Audio //trinityaudio.ai player ready...A proposed wealth tax and a growing artificial intelligence bubble have helped triggered an onslaught of spending by the state's wealthiest residents. Already have an account? Log In https://www.mercurynews.com/login?&returnUrl=https%3A%2F%2Fwww.mercurynews.com%2F2026%2F07%2F30%2Fsilicon-valley-donors-california-politics-wealth-tax%2F This article is only available to subscribers Offer valid for non-subscribers only