Cook County Court Clerk Dorothy Brown joins "Chicago Tonight" to discuss losing her endorsement from the county's Democratic Party and an apparent federal investigation into her office. 

In the third prime-time meeting of Republican presidential aspirants, the biggest loser of the evening appeared to be cable financial news network CNBC, which was roundly criticized by participants and observers for getting started late and for the way moderators handled the proceedings. Political communications expert Jason DeSanto joins "Chicago Tonight" to analyze the debate.

Hot dogs, bacon and other processed meats can cause cancer as well as red meats, according to a new report by the World Health Organization’s research division. How much is too much? We discuss the findings with a dietician and a professor whose research focuses on meat sciences.

Jay Shefsky has introduced "Chicago Tonight" viewers to a wide variety of everyday Chicagoans, such as 96-year-old Evanston painter Peggy Lipschutz and beehive rescuer Dan Parizek. Now, more than 50 of Jay’s stories have been collected into season three of "Jay’s Chicago," which premieres Friday night at 7:30 p.m. on WTTW11. Jay joins us to talk more about his upcoming season.

We share what you had to say about some of our recent stories when we read viewer feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.

Former U.S. House Speaker Dennis Hastert pleads guilty to federal charges connected to a hush-money scheme. Did anything else come to light about this mysterious case?

Mayor Rahm Emanuel's record $588 million property tax hike sailed through the City Council today with only 15 aldermen voting against it. The hike is the centerpiece of Emanuel's bad news budget that imposes additional taxes and fees. We speak with a panel of aldermen about the budget and how they voted.

After weeks of public debate, rallies and demonstrations, the Chicago Board of Education on Wednesday approved two new charter schools out of 13 that applied.

The Bears and City Hall strike a deal on the Lucas Museum, Chicago-based Walgreens wants to buy a rival and the Bulls go international for sponsorship deals. We’ll discuss these stories and other top business headlines of the week with Crain’s Chicago Business deputy managing editor Ann Dwyer.

The hit Netflix show "House of Cards" has a devoted following, but did you know that one of the people responsible for it is an Evanston native and Northwestern alum? Laura Eason, executive story editor of "House of Cards," takes us behind the scenes of the popular drama.

Geoffrey Baer cruises by with the history of the Illinois Tollway oases, a Chicago lass on Irish cash and O'Hare's sleek new air traffic control towers in this week's edition of Ask Geoffrey.