About this audio file: On Sept. 4, 2009, Paul Kersey, director of labor policy for the Mackinac Center, was a guest on “The Frank Beckmann Show” on WJR AM760. Kersey discussed his new study, “Michigan’s Public Employee Relations Act: Public-Sector Labor Law and Its Consequences,” in which he points out that government employee unions, “may be the single largest obstacle” to restoring Michigan’s prosperity. The interview is 21 minutes and 49 seconds.