Garry McCarthy is officially in. “It’s time for new leadership in City Hall that’ll fix our problems and pull us together,” the former Chicago Police superintendent said in a video announcing his bid for Chicago mayor.

Watch the March 22, 2018 full episode of "Chicago Tonight."

Health and Human Services Deputy Secretary Eric Hargan discusses his agency’s role in combating the opioid crisis.   

China faces steep tariffs for allegedly stealing U.S. intellectual property. Is a trade war in the offing?

One thing we can all count on in Chicago is the late winter and early spring pothole season. We catch up with some city crews trying to make life a little less bumpy.

Geoffrey Baer travels to France to meet this year’s winners of the Driehaus Prize for architecture.

The Chicago Public Schools K-8 chess championship is this weekend. We visit two schools whose students hope to capture the prize.

With the race for governor winnowed down, Democrat J.B. Pritzker and Republican Gov. Bruce Rauner are wasting no time in going after one another. 

Watch the March 21, 2018 full episode of "Chicago Tonight."

Meet the primary winners set to take on suburban incumbent U.S. Reps. Peter Roskam and Brad Schneider in the November general election.

A big-picture look at what the primary results say about where November’s election might be headed.

State Sen. Kwame Raoul emerged from a crowded field to win the Democratic nomination for attorney general – beating former Gov. Pat Quinn and six others in the process. He joins us in discussion.

Erika Harold is a Harvard-trained lawyer and former Miss America. Strongly backed by Gov. Bruce Rauner, she is also the Republican candidate to replace Lisa Madigan as Illinois’ next attorney general. Harold joins us in discussion.