- Bernie Sanders makes a late push for California billionaire tax Politico
- Google’s Sergey Brin has now donated more than $100 million to oppose California’s billionaire tax Fortune
- Top Democrats battle over California’s proposed billionaire tax ABC News – Breaking News, Latest News and Videos
- California poll: Voters back a billionaire tax, but the proposal falls short of majority support NBC News
- ‘Ballots Over Billionaires’: Bernie Sanders in S.F. to lend star power to wealth tax San Francisco Chronicle
