Politics: The union mob that tore down that tent outside the Michigan state capitol was aiming at a free-market advocacy group on the president's enemies list promoting right-to-work and other pro-growth measures. In an editorial headlined "Drinking the Kochs' Kool-Aid," the Detroit Free Press, a newspaper in a decaying city with 18.9% unemployment, opined it was pressure from the Koch brothers, David H. and Charles G., who head a Kansas-based conglomerate with 50,000 U.S.-based employees, that moved Michigan Republicans to make the state adopt right-to-work legislation. Randy Richardville, majority leader of the state Senate, and Gov. Rick Snyder may have...