Scientists from The Field Museum join us to talk about a new "extreme" exhibit that opens on Friday.

We have your thoughts about our NATO coverage when we read some of your Viewer Mail.

U.S. Attorney Patrick Fitzgerald, the powerhouse prosecutor who helped put away two Illinois governors and a slew of other corrupt officials, is stepping down after 11 years. We talk with the head of the FBI in Chicago about Fitzgerald's imprint on Illinois. Then, Carol Marin and her panel discuss Fitzgerald's tenure in office and the future of the position.

He grew up the son of a New York city doorman, and was brought to Chicago as an outsider. Elizabeth Brackett takes a look back at how Patrick Fitzgerald got here.

Lawsuits fly over Facebook’s bungled IPO that left small investors shortchanged.

Three protesters charged with planning to carry out alleged terrorist attacks during the NATO summit were in court Tuesday.

Chicago Police Supt.

We take a look at how Chicago Police handled NATO protests crowds, and some of the more violent summit protesters.

As life in Chicago gets back to normal, some downtown businesses are calculating financial losses from the NATO summit.

Protesters take to social media for the NATO summit. We take a look at some of the latest tools and analysis.

Protesters were more subdued on the second day of the NATO summit. But, they call Sunday’s melee police brutality.

How did the police handle the NATO demonstrations? City officials and NATO protesters have different answers. We dissect what went on in the streets.

Multiple allegations of police brutality occurred during the NATO summit protests this weekend. Watch the video and tell us what you think.

As the NATO summit wraps up, we look at what world leaders accomplished and what issues were left unresolved.

Journalists from around the world converged on McCormick Place.