A study published by the University of Michigan claims that the state's decision to hire a nonunion contractor to run prison cafeterias led to gangs. But the report’s methodology allowed a labor union critical of privatization to hand-pick which prison guards participated in focus groups that the author used as a foundation for his report. According to the report, "The Michigan Corrections Officers recruited participants, arranged interview locations, and reimbursed participants for travel." Roland Zullo wrote the publication for the Institute for Research on Labor, Employment, and the Economy at the University of Michigan. It concluded that the contractor's employees...