California Democrats have good reason to be worried over the U.S. Supreme Court ruling barring public employee unions from extracting dues from workers who don’t want to be in the union to help pay for collective bargaining.
If union membership shrinks, it could seriously change the election dynamic in the heavily blue state.
An analysis by Berkeley-based MapLight, the nonpartisan organization that tracks money in politics, shows three of the Democrats’ biggest union allies — the California Teachers Association, the California Nurses Association and the Service Employees International Union — have spent…