Republican William Milliken served as Michigan’s governor from 1969 to 1983. His time in office is remembered as an era of unusual bipartisan cooperation and concern for the environment. Now Dave Dempsey has written a full-length biography, William G. Milliken: Michigan's Passionate Moderate. The former governor is now 84 and lives in his native Traverse City. Michigan Radio’s Jack Lessenberry spoke with earlier today.