Meet Jeanne Olson, a CPS parent who's trying to translate the district's complicated school closings formula into plain English -- for other parents to understand.

A food additive that has been used for decades is stirring up controversy. We talk with a Chicago researcher who is in the midst of clinical trials to uncover its potential hazards. Ash-har Quraishi has the story in tonight's Scientific Chicago.

NPR's Peter Sagal joins us to discuss his new PBS series about the U.S. Constitution.

We revisit a Picasso exhibition at the first American museum to exhibit his work -- The Art Institute of Chicago.

We have your thoughts on Chicago's proposed bus rapid transit system and hear what you had to say about the passing of folk music pioneer

Digital, interactive billboards may soon be coming to dozens, if not hundreds of pieces of street furniture in some of the most pedestrian-heavy areas of the city.

Is the mayor's office withholding crucial information about the new parking meter deal from aldermen? Carol Marin has the latest.

An excerpt from Maya's Notebook, by Isabel Allende

Pension reform passes the Illinois House and a new bill is introduced in the Senate. What will Illinois pension reform look like? We chat with two of the sponsors of House Speaker Madigan’s pension proposal and two representatives who voted against the plan.

President Obama's former regulation chief Cass Sunstein joins us with a look at how the White House puts laws into practice.

A brand new staging of a classic American musical arrives in Chicago with some very authentic dancing. We meet the 91-year-old choreographer behind Lyric Opera of Chicago's Oklahoma!

Magical realist Isabel Allende joins us to discuss her latest book, Maya's Notebook.

Eddie Arruza and his panel of journalists discuss the week's top headlines.

Eddie Arruza and his panel of journalists discuss the baseball controversy between two local high schools in this web exclusive conversation.

Music from Poland's golden age, high fashion and Cinco de Mayo festivities; Chicago Tonight knows what's going on this weekend.