Economists Gabriel Zucman and Emmanuel Saez, the two 'Frenchies' campaigning to tax the fortunes of California's billionaires

California's 250 billionaires have amassed staggering wealth while paying very little in taxes, the two French researchers criticized in an op-ed for the 'New York Times.' They support a proposal for a one-time 5% wealth tax, which will be put to a referendum on November 3.