Oops, they did it again! Accounting problems trip up Groupon -- sending the stock to a new low. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

What qualities make a great leader? And what is the difference between leadership and values-based leadership? A former top CEO wrote the book and he joins us with his four sometimes surprising principles for success.

Attendance is down, but the value of Chicago's baseball teams is going up. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

Oakbrook-based McDonald's gets a new CEO. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

Is it reverse discrimination when a black family buys from black businesses only? We have some of the more "measured" responses from our discussion board in tonight's Viewer Mail.

The Anderson family from Oak Park began an experiment in 2009: trying to buy things only from African American-owned businesses. How difficult was it for the family to buy black for an entire year? Maggie Anderson is here to tell us.

Apple unveils the iPad3, calling it the poster child for a post-PC world. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story and more top business headlines.

With unemployment at record highs, why are some companies struggling to fill jobs? Ash-har Quraishi has the story of the job skills crisis.

Want to know how a Chicago Tonight package is produced? We take you behind the scenes of a recent story.

We take a closer look at Mayor Emanuel’s plan for economic growth with the man behind the World Business Chicago report and a top labor official.

Calling the last 10 years a "lost decade" for Chicago, Mayor Rahm Emanuel -- along with many of the city's powerbrokers -- unveils a sweeping new economic plan for Chicago.

Gas prices are soaring and so is outrage at the pump. What's the problem and are there any solutions? Carol Marin and her panel break it down.

A coal-free Chicago future. After more than a decade of legal battles, the city's two remaining coal power plants will be closed. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

Gas prices look to be heading above $4 per gallon as tensions rise in the Middle East. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

After more than two years in the news business, the Chicago News Cooperative is calling it quits -- for now. The CNC's managing editor joins us to talk about whether it has a future.

Chicago-based Boeing gets a record $22 billion order. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story and more top business headlines.