Are the tea parties useful idiots for an attempt by the billionaire Koch family to fight unionization in order to increase their profits? The latest example of the Koch family pushing an agenda that helps their bottom line and getting help from the teapartiers in that endeavor comes from the protests between public sector unions and Republican governor Scott Walker in Madison, Wisconsin. I haven't been closely following the issue, but at the very least it's clear that the Kochs are attempting to take advantage of the issue to push their agenda. And, pushing that agenda would help the bottom...