Events from the year 1983 in Michigan. The Associated Press (AP) selected the state's top news stories as follows: 1. * A 38% increase in Michigan's income tax led to recall campaigns against state legislators; 2. * Dioxins were discovered in Michigan's waterways and fish; 3. * Chrysler Corporation returned to financial health; 4. * Agnes Mary Mansour, a Roman Catholic nun and director of the Michigan Department of Social Services, quit her order in defiance of a directive from the Vatican that she quit her government job which required her to oversee the use of public funds for abortions; 5. * Toxic waste near Swartz Creek, Michigan, required evacuation of locals pending cleanup; 6. * The case of Judy Stiver triggers a controversy over her surrogate mother arrangements; 7. *