First the governor's move is in reaction to a 2009 law implemented by the then-Democratic legislature that expanded public unions' collective-bargaining rights and lifted existing limits on teacher raises. This is an attempt to roll back policy all the way back to 2009.
Mike;
NOT being political. Just information gathering: That 2009 law you refer to: Did it extend to more than Wisconsin University?
That is the only reference I am finding in a few Google searches. An example is below;
http://chronicle.com/article/U-of-Wisconsin-Academics-W/47818/