"There is a likely undercurrent to why Gov. Scott Walker is tackling public unions – except politically valuable firefighters and cops – precisely as he is doing. This has to do with the unions’ alleged ability to buy politicians. According to the argument, Walker must somehow bypass the evil politicians in thrall to the unions at state and local levels because they are mere surrogates for the public employee unions, particularly WEAC.This, of course, neglects the effects of business-interest influence on elections."
The Journal Sentinel has more here.