The annual Chicago Korean Festival, a bubble workshop for children, and a celebration of Japanese culture; Chicago Tonight knows what’s going on this weekend.

Joel Weisman and his panel of journalists delve further into the upcoming mayoral race, and whether potential candidates Karen Lewis and Alderman Bob Fioretti pose a real challenge to Rahm Emanuel.

Joel Weisman and his panel of journalists recap this week's headlines.

Many black Chicago homeowners were forced to purchase their homes on contract in the ‘60s. Eventually, homeowners in North Lawndale banded together and fought back against buying on contract.  

Karen Lewis stops by to discuss her political future and more. 

We take a look at a little-known piece of Chicago's real estate history: the Contract Buyers League. 

The author of the upcoming book, "The Mockingbird Next Door," details her friendship with Harper Lee, the reclusive author of the classic novel "To Kill a Mockingbird."

A new Science & Symphony production is premiering at the Grant Park Music Festival. It's a musical and visual journey through the Northern Lights.

We share what you had to say about recent stories when we read some of our viewer feedback.

The City Council’s watchdog says he will run out of money to investigate aldermen within the next two weeks. Paris Schutz has the latest in the ongoing heated debate over who polices aldermen.

After a 10 year, 4 billion mile long journey, the European Space Agency’s Rosetta spacecraft made history today as the first spacecraft to go into orbit around a comet.

The discovery of a tiny cricket in a 20-million-year-old piece of amber that was found in the Dominican Republic more than 50 years ago offers new views into an ancient environment and how it once thrived.  

In an age of polarization and a divided Congress, many are calling for compromise. But in a new book, constitutional law professor Richard Weisberg details how flexibility and compromise have harmed the human race throughout history.

Why is there a trout among the trees alongside Golf Road? Geoffrey Baer tells the story of the one that got away and answers other viewer questions in tonight’s Ask Geoffrey.