Big money, bare-knuckle, Washington-style politics come to Chicago. Two new Political Action Committees, or PACs, are going head-to-head over Mayor Rahm Emanuel's re-election, as well as the election of aldermanic candidates who support or oppose him. Paris Schutz has the latest.

The state continues to struggle financially as a result of many obligations - pensions being one of the most immediate. As constitutionality of Senate Bill 1 becomes more uncertain, some lawmakers are looking to amend the constitution in order to move forward. But how will this affect state workers and who will ultimately pay the price?

Will Chicago gas stations be required to offer E15 fuel? Gen. Wesley Clark joins Chicago Tonight to discuss the new E15 fuel legislation and more.  

We remember the “war to end all wars” through the photos and letters of some Chicagoans.

A Chicago design firm is competing with others around the country to create a new, better bike for city riding. All the designs were unveiled Friday, July 25. Phil Ponce will test drive the new bike Monday, July 28, and talk with the designers.

Don’t read the newspaper death counts this weekend. Go to a free block party on the South Side on Saturday, July 26, to celebrate good news and people doing things right.

A neighborhood sidewalk sale, benefit for pediatric cancer, and county fair; Chicago Tonight knows what’s going on this weekend.

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

Joel Weisman and his panel of journalists discuss this week's headlines in this web extra video.

As Toni Preckwinkle gears up to keep her job as Cook County Board president, she is faced with a number of issues. We ask about some of her greatest challenges and where she plans to go from here.

Mayor Emanuel unveils a multi-million dollar plan for an office tower along the Riverwalk. Brandis Friedman has the details.

The Chicago Park District has turned to DNA testing to see if dogs are to blame for high E.coli levels. We talk to the head of Chicago's beaches to see if it's safe to swim.

Hollywood photographer Peter Sorel was born in Hungary, but now calls Chicago home. From “One Flew Over the Cuckoo’s Nest” to “Frida” and “Life of Pi,” Sorel has documented and created poster images for more than 120 memorable movies. We revisit his story.

This year two Illinois teenagers made it to the National High School Musical Theater Awards in New York City and one of them even took home top honors.

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