As always this has to do with money, and the union "compromise" coming down the pipe was set up to be the "booby" prize while the Koch Brothers get their "booty" prize. This is all being well-orchestrated with an end game that has absolutely nothing to do with unions.
http://www.dailykos.com/story/2011/02/21/947947/-The-Koch-Brothers-End-Game-in-Wisconsin