Carol Marin and her guests discuss Chicago Public Schools' announcement of charter school expansion.

Chicago magazine and the Better Government Association break a special report on the rise and fall of Juan Rangel of the United Neighborhood Organization (UNO), and the future of the clout-heavy charter school network. Read an article and view a slideshow.

We talk with Digital Learning Coordinator Jennie Magiera about how technology is enhancing the school experience for CPS students. Read an interview.

Misspelled signs are a common sight in Chi-RA-go. Geoffrey Baer shows us a few misspelled signs that have been around town for years in tonight’s Ask Geoffrey.

Deep freeze lifts a little as the Chicago area continues to cope with the cold weather. Elizabeth Brackett has the details. Send us your severe weather photos here.

Gun owners fill firearms training classes required to apply for their concealed carry licenses—which went into effect Jan. 5. We go inside the class to find out what students are learning and what they think of the law’s requirements. Read an article.

Three protesters who were accused of terrorism during the Chicago NATO summit in 2012 are in court today for the first day of their trial. Paris Schutz has the latest. Read the criminal complaint.

When he was a baby, doctors said he might never speak or even sit up. But Seth Goldberg, who has profound hearing loss and is developmentally disabled, performed with Josh Groban this summer at Ravinia.

Downton Abbey's fourth season had a blockbuster premiere this past weekend. We revisit a conversation with Lesley Nicol, the show's feisty but devoted head cook on PBS's megahit. Watch a web extra conversation with Nicol and view a slideshow.

The extreme weather caused Chicago Tonight producer Josclynn Brandon to get stuck in Lafayette, Indiana on her way back to Chicago from a wedding in Louisville. Read a blog about her experience, watch a web extra video, and view a slideshow.

Today's record cold caused delays on the Metra and CTA. We tell you how the city is coping. Send us your severe weather photos here and we'll use them in our online slideshow.

We have the latest details on Chicago's record-breaking cold weather from WGN's Chief Meteorologist Tom Skilling.

Hypothermia and frostbite aren’t the only cold-related problems doctors are noticing in local emergency rooms today. We talk with Dr. Michelle Sergel about the weather’s impact on health.

Chairman Bob Mariano, from the grocery store chain Mariano’s, joins us to talk about the chain’s expansion in the Chicago area. View a map of store locations.