One of the most transparent union-busting provisions of Iowa’s new collective bargaining law has failed to significantly reduce the number of workers covered by the state’s two largest public-sector unions: the Iowa State Education Association and AFSCME Council 61.

Rosemary Feurer is Professor of History at Northern Illinois University. She is the author of Radical Unionism in the Midwest, 1900-1950, among others. She is working on The Illinois Mine Wars, 1860-1940 and a new biography of Mary Harris “Mother” Jones.