Illinois Republicans hammer away at Democrats, as some gubernatorial candidates emerge for 2014. Paris Schutz has more on that, as well as pension negotiations in Springfield.

Chicago Tonight is covering Republican Day at the Illinois State Fair in Springfield. View their Twitter streams for the latest news and photos.

What's the secret to Superman's success while other caped crusaders have faded away? Author Larry Tye joins us with the answers, and a web-exclusive video.

Legendary Chicago musician Von Freeman died last weekend at age 88. We revisit our 2003 conversation with the acclaimed sax player.

A new exhibit charts the influence of all-star Latino recording artists on American popular music. We get an inside look.

Read an excerpt from Larry Tye's Superman.

We asked what you thought about Paul Ryan's budget plan. We read what some of you had to say in Viewer Mail.

Thousands of undocumented immigrants line up at Navy Pier for the chance to gain legal status under the new "deferred action" initiative.

Now that Congressman Paul Ryan has joined the Romney ticket, Ryan's controversial federal budget proposal is coming under intense scrutiny. We look at what that fiscal plan actually contains.

WIRED's Mat Honan got hacked and had his digital life wiped. We look at what steps you should take to keep your information secure. 

Groupon shares plunge 27 percent as second quarter earnings underwhelm.

Photographs of every site in Chicago where a murder took place laid out on a timeline turns into a cityscape where violence becomes a part of the fabric of the city. Elizabeth Brackett reports.

Today marks the 200th anniversary of the Battle of Fort Dearborn. The author of a new book joins us to discuss this battle and the birth of Chicago.

With just three days until the special legislative session in Springfield, lawmakers here are given even more sobering news about the state's pension hole. What's likely to happen Friday? We have the latest from the state capital.

Ald. Burke agrees to show records on disability pay to City Council watchdog. But should the records be turned over to City Inspector General Joe Ferguson instead? Paris Schutz has the latest.