They really outdid themselves. In Wisconsin and across the nation, public school employee unions spared no kiddie human shields in their battle against GOP Gov. Scott Walker’s budget and pension reforms. Students were the first and last casualties of the ruthless Big Labor war against fiscal discipline. To kick off the yearlong protest festivities, the Wisconsin Education Association Council led a massive “sickout” of educators and other government school personnel. The coordinated truancy action — tantamount to an illegal strike — cost taxpayers an estimated $6 million. Left-wing doctors assisted the campaign by supplying fake medical excuse notes to teachers...