2010 might be remembered as the year that the edifice of public sector unions began to crumble. Before the 1960s, government workers were generally not allowed to unionize. After all, they work for a monopoly that has no profit margin and thus no reason to oppose their ever expanding benefits at the People's expense. In fact, as Democrats have found, they are much better off giving these unions everything they want in return for lockstep support for the Democrats in money, volunteers and votes. What changed in 2010? First, it became clear that those states that were pro-public union were...