Quite a find yesterday by Michigan Capitol Confidential, which is a publication of the free-market Mackinac Center for Public Policy. In Ferndale, Michigan, which is directly north of Detroit, the contract between the school district and the teachers union contains a clause that gives hiring preference to members of certain groups - mostly ethnic minorities. But the Ferndale school officials and their union have an interesting way of defining a minority, and if you're a Christian, you might want to look elsewhere for a teaching job:
