News Analysis with Elizabeth Brackett The guilty plea of the former number two man in the water department, Donald Tomczak brought the federal investigation into city hall corruption a lot closer to the mayor's office. Elizabeth Brackett and her guests, Laura Washington and Jay Stewart, look at the latest city hall developments.

This Week on Chicago Sunday: Host Phil Ponce talks with Gary Johnson, who was recently named president of the Chicago Historical Society. The Art Institute is home to the world-famous painting "American Gothic," which has inspired more parodies than you can count. We'll look at the origins of this well-known image and the light-hearted spoofs it has endured.

CHA Update