NYT > U.S. News Billionaires Prepare $87 Million Ad Campaign to Block California Wealth Tax Par :Theodore Schleifer and Laurel Rosenhall 17 juillet 2026 à 18:02 A coalition backed by the Google co-founder Sergey Brin and wealthy tech investors is trying to neutralize a proposed one-time tax on the state’s richest residents. © Jae C. Hong/Associated PressA campaign event for a proposed billionaire tax in Los Angeles in February.