Tech billionaires are spending unprecedented sums in California races. Experts say it’s the tip of the iceberg

From Google co-founder Brin spending $66m to fight a billionaire tax to Google and Meta funding a joint Super Pac, Silicon Valley is engaged in an existential fight for its political power at homeTech billionaires have shelled out hundreds of millions of dollars ahead of the 2 June primary election in California, in an unrivaled attempt to influence who gets to run the state that Silicon Valley calls home.The industry has used a cover-all-bases approach, funding candidates and ballot measures big and small, contributing to what looks to be the most expensive primary season in California history. The goal, experts say, is to gain both political and regulatory leverage that will perpetuate dominance in business.Google co-founder Sergey Brin has spent $66m since January, more than any other d…