California Wealth Tax Opponents Intensify Efforts Before Bernie Sanders Visit The New York TimesOpponents of proposed California wealth tax ramp up their campaign PoliticoWith budgets under strain, states are split on taxing the rich CNNHow would the California ‘billionaire tax' really work? We break it down San Francisco ChronicleBernie Sanders and Gavin Newsom become adversaries over push to tax California billionaires The Boston Globe