Key among those was the Billionaire Wealth Tax proposal being pushed by the SEIU. Delegates and observers erupted into cheers after 61% of the 235 executive board delegates in attendance voted to support Prop. Supporters made the argument that failing to back the wealth tax would be like telling the base to take a hike. Politico notes that the state party board in California is more progressive than the party as a whole. He seems to mostly be triangulating the issue by supporting a national wealth tax even as he opposes the California measure.