Groupon shares take a dive after the Chicago company reveals "accounting mistakes." Now some investors are suing and Groupon faces a fede

NATO was born out of the Cold War to curb Soviet power. But what is it today? A peaceful alliance or the West's way of policing the world? We take a look.

With the repeal of "Don’t Ask, Don’t Tell," lesbian and gay sailors are making waves -- and history -- at Naval Station Great Lakes in North Chicago.

More than a decade after Chicago Housing Authority demolitions, how are displaced residents affecting their new neighborhoods? A new study may have answers.

Mozart. Beethoven. Radiohead? What is modern classical music, and what are its influences? We talk with one of today's modern classical composers.

We asked what you thought about Mayor Emanuel's proposal to create the Chicago Infrastructure Trust. Is it a good idea or a scam?

When it comes to picking up residential recycling in Chicago, private companies do it cheaper.

Is your doctor ordering unnecessary tests? Are there always benefits to all the medical tests patients get? We take a look.

The electric vehicle industry has been touted as a way to reduce dependence on foreign oil, create jobs, and save the environment. But an Indiana company that promised a plug-in hybrid van with 100 miles to the gallon just closed its doors. Elizabeth Brackett tells us why.

Oops, they did it again! Accounting problems trip up Groupon -- sending the stock to a new low.

New York Times reporter Charles Duhigg joins us to discuss his new book: The Power of Habit: Why We Do What We Do In Life And Business.

Kids in Albany Park confront difficult themes on stage. We go behind-the-scenes at the innovative Albany Park Theater Project.

Lon Monk, top aide and close friend of former Illinois Gov.