To appreciate what that means, try to imagine a Republican president and Republican Senate majority leader signing off on a bill with pro-union language despite thundering objections from most big businesses. Your imagination may not be good enough to picture that, which tells you everything you need to know about the asymmetry between Democrats and Republicans when it comes to labor.
Just had this conversation. Obama is able to pass things that couldn't have been done without major noise from "liberals" had a Republican president tried it.
On another note is anyone else bothered by a rule about union voting being a part of an FAA Reauthorization Act? What does a rule on how unions vote, or do anything a part of FAA authorization?