The Arizona legislature is considering making it illegal for local governments to pay workers for time they spend doing union work. This so-called “release time” is bargained for alongside salary and vacation and sick pay and included in many local contracts. One version of the legislation passed the Senate but stalled in a House committee. Now Senate leaders are attempting to resuscitate the measure by sending it directly to the House floor in an unrelated bill that the House has already passed. Supporters of the legislation say paying union leaders to do union work is an inappropriate use of taxpayer...