This week, a significant work by artist Alexander Calder was dismantled from the lobby of the Willis Tower and is being moved into storage. Ward Miller of Preservation Chicago says a second major Calder work may also be in danger of disappearing.

Nearly three months after Senate leaders unveiled a so-called “grand bargain,” the gridlock in Springfield has only intensified. Now, Democrats and Republicans are coming forward with their own alternative platforms. 

Don't have a drivers’ license or other form of official documentation? Chicago may soon be issuing municipal IDs to provide documentation to undocumented immigrants, ex-offenders and the homeless. 

In 1971, Calvin Small and two friends started roller skating a little differently than everyone around them. It caught on. And  now, JB skating is known all over the country. 

Watch the March 29, 2017 full episode of "Chicago Tonight."

How Hardik Bhatt wants to protect state agencies from hackers. 

Geoffrey Baer investigates why the Loop’s streets honoring presidents don’t honor the order of their terms in this encore edition of “Ask Geoffrey.”

Carol Marin discusses the political happenings of Springfield and Chicago with Tina Sfondeles of the Chicago Sun-Times, Lauren Chooljian of WBEZ and Heather Cherone of DNAinfo.

We visit the Art Institute of Chicago to find out more about the 19th century oil painting “Arrangement in Grey and Black, Number One” – commonly known as “Whistler’s Mother.” 

More than 100 conversations on gender equity and bias are taking place around the Chicago region this week as part of the Talk It Out initiative. 

What is it like to touch and work with dolphins? One Shedd trainer said they feel firm, smooth and a little colder than you might expect, according to the aquarium’s dolphin fact list.

Most kids form bonds over shared interests. Kids living in violent, high-poverty Chicago neighborhoods are more strategic about whom they befriend in order to manage the threat of violence, a new study finds.

Watch the March 28, 2017 full episode of "Chicago Tonight."

Paul Vallas and Chicago State University Board Chairman Marshall Hatch discuss the ongoing search for university leadership and what lies ahead for the beleaguered school.

With fatalities from motor vehicle crashes on the rise, could driverless cars steer us toward a safer future?