Why Haven't CA Dems Reintroduced Single Payer for CA? [View all]

Back when Ah-nold was governor, the state legislature passed a single payer option for the state. Ahnold vetoed it. Later in his term, Ahnold said he had changed his mind and would sign such a bill.

Fast forward to today - the governor is a D and the state legislature is entirely controlled by Ds. So why hasn't a single payer option been reintroduced? Such a measure should fly through the legislature, and would surely be signed by Jerry Brown.

So what's the story?