The public employee unions and other liberals are confident that Wisconsin voters will turn out Governor Scott Walker in a recall election later this year, but not so fast. That may turn out to be as wrong as some of their other predictions as Badger State taxpayers start to see tangible benefits from Mr. Walker's reforms—such as the first decline in statewide property taxes in a dozen years.

On Monday Mr. Walker's office released new data that show the property tax bill for the median home fell by 0.4% in 2011, as reported...