Hear what viewers had to say about Chicago Public Schools’ mariachi music program, Geoffrey Baer’s tour of Chicago’s rapid transit system and Ald. Ed Burke’s workers’ compensation program when we read feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.

City Council's recently appointed watchdog is looking at Chicago's most powerful alderman, and is investigating 20 more aldermen or aldermanic staff members for potential wrongdoing. We have the exclusive details.