Remember the Greek-style protests in Madison, the union sit-ins, the lawmakers who fled to Illinois to avoid voting on Scott Walker's collective-bargaining law last year? Now that the recall election of Mr. Walker is in full swing, Big Labor must be wondering where the outrage went.

Since last summer, unions have been throwing millions at defeating the man who reformed collective bargaining for government workers and required union members to pay 5.8% of their paychecks toward pensions and 12.6% of...