They are the ultimate pollinizers; without them there would be no agriculture. But over the past five years, the bees in North America and Europe have been disappearing like never before. So what's going on? We speak with the director of a new documentary examining this phenomenon.

We chat with Groupon founder Andrew Mason and the chairman of the Chicago tech company about its explosive growth and its future. While Groupon has taken off with consumers, not every business is giving their experience with the company a glowing review. More on the Story: One Chicago shop's experience Groupon's Chicago website

Geoffrey Baer takes us inside Chicago's first movie palaces. 

It's the story of a woman trapped between her present and her past - growing up in a Jewish ghetto during the Holocaust. Howard Reich, producer and writer of the film "Prisoner of Her Past" is here to talk about his mother's life and diagnosis of late-onset post traumatic stress disorder.

He introduced Sneak Previews, Soundstage, and this program. Chicago Tonight will remember our friend, broadcasting pioneer Bill McCarter, with some of the people who knew him best. More on the Story: More on McCarter's legacy at WTTW

This week on Chicago Tonight: The Week in Review, Rod Blagojevich's retrial is underway. There are reports he wants to make his own closing arguments. Mayor-elect Rahm Emanuel names key officials for his incoming administration, including a controversial pick to run the Chicago Public Schools. And it was a big week in Chicago sports with the Bulls and Blackhawks fighting in round one of their respective playoffs. Guests:

Two pee wee football coaches were shot and killed yesterday in Harvey. We take a look at the recent concerns surrounding the city's homicides and what's being done about them. Article on the murders

A new book of aerial photos of Chicago reveals dramatic changes in recent decades. We talk with the photographer and see a lot of his photos. More on the Story: A slideshow of Okrent's work Okrent's website

A madman's fantasies are brought to life in a dance by an acclaimed Russian ballet company. When Geoffrey Baer gives us a round-up of Cultural Connections happening in Chicago, we hear about the dance, the Chicago Improv Fest and an art show.

She's an author, editor, attorney, and philanthropist and a member of American royalty. Caroline Kennedy is here to talk about her new book of poems and her life in the public eye. More on the Story: Two poems from the book More on the book

The current governor of Massachusetts was born in Chicago. Deval Patrick's background as a poor South Sider didn't point to a successful career in business and politics. Eddie Arruza talks to Gov. Patrick about his new memoir and what he calls an "improbable life." More on Patrick's book

They are winning. But some players -- and fans -- say the Bulls need to step up their game if they want to make a run at an NBA championship. We assess the state of the Bulls as they get set for game three of their opening round playoff series.

We meet a Chicago man who just returned from a two-year bike ride, from the top of Alaska to the bottom of Argentina, with more than 17,500 miles of stories. More on the Story: Video that Matt Kelly took while on his trip Kelly's blog from the trip

Can you hear the bells ringing? Wedding season is upon us. So raise your glass! "Check Please" Host and Master Sommelier Alpana Singh is here with advice for wedding gifting and toasting. Ask Alpana your own questions More on Alpana's recommendations Wedding Wine and Gift Registries

On the Artbeat, working people and their families are in the spotlight at celebrated photographer Milton Rogovin's exhibit in Chicago. More on the Story: A slideshow of Rogovin's work More on Milton Rogovin The Gage Gallery exhibition

Does the old adage 'you are what you eat' also apply to what you drink? Celebrity fitness guru Dr. Ian Smith will discuss this, his new book and much more. More on the book