Sergey Brin spends $500K to fight tax targeting companies with high-paid executives

Google co-founder Sergey Brin is continuing his foray into California politics with a newly reported donation to a group fighting against a proposed tax in San Francisco that would hit companies with high-paid executives in the tech hub.

A political contribution filing submitted on Wednesday revealed that Brin donated $500,000 to a group that's opposing San Francisco Measure D, which will appear on voters' ballots on June 2. READ MORE