Michigan is among just a handful of states raising taxes on low-income working families while cutting taxes for other groups, the Center for Budget and Policy Priorities said in a report released Tuesday.

Michigan Gov. Rick Snyder's administration said Wednesday it plans to save the state money by requiring unionized state workers to take at least four unpaid furlough days off and by introducing legislation requiring them to contribute to their defined benefit retirement plans if they want to keep them.

Scores of seniors upset that the state wants to tax some of their public pensions for the first time packed into the Michigan Supreme Court on Wednesday as lawyers argued whether the new charge is legal.

Michigan Republicans dealt another blow to public employee unions Wednesday as they pushed ahead with a plan to force local governments and school districts to cap health care spending or risk losing state aid, a move that would require workers to pay more for coverage and limit officials' ability to...