On this week's edition of Chicago Tonight: The Week In Review: legendary Cubs third baseman and broadcaster Ron Santo dies in Arizona; the Illinois legislature passes Civil Unions, granting same-sex couples some of the same rights as those currently married; police and firefighter pension reform also passes; Mark Kirk is sworn in as Illinois' junior U.S. senator; and controversial Cook County Board President Todd Stroger is out. Chicago-based Groupon is targeted to be gobbled up by Google for more than $5 billion. Finally, the White Sox snare slugger Adam Dunn and the Bears take their four-game winning streak to Detroit on Sunday.

Guests:

• Mary Ann Ahern, NBC-5 News
• David Greising, Chicago News Cooperative
• Mike Flannery, FOX Chicago News
• Lou Canellis, FOX Chicago News