He's fighting obesity with his so-called "50 Million Pound Challenge." We talk to bestselling author Dr. Ian Smith.

Carol Marin sits down with world-renowned primatologist Dr. Jane Goodall.

We preview Carol Marin's Friday Night Show interview with world-renowned scientist Jane Goodall. See Jane Goodall at Rockefeller Memorial Chapel tomorrow night

The warm weather has inspired tasty new dishes, drinks and desserts from our resident food bloggers. They join us with with some spring flavors. We asked the food bloggers to share some warm weather recipes, here's what they came up with:

What's the story behind the heavy duty scale in City Hall? Geoffrey Baer enlightens us in tonight's edition of Ask Geoffrey. Abacus Scales Fox Waterway Agency Immanuel Lutheran Church

We hear what you have to say about some of our recent stories when we read our viewer mail.

We find out what state legislators were working on today in Springfield.

Stocks tumbled today on Wall Street amidst growing fears over Greece's debt problems. Eddie Arruza and his panel explore the details.

Millions of dollars in federal grants are being aimed at stemming the tide of foreclosures. We show you how some of that money is being spent in Chicago neighborhoods. For more on the story...

Tony Award and Pulitzer Prize-winning playwright and actor Tracy Letts joins us to talk shop and to tell us about his play Killer Joe, which is playing at the Royal George Theatre through the first week in June.

In honor of Cinco de Mayo, Cuerdas Clasicas performs live in studio. For information about Chicago's summer programs for kids and teens

From Billy Sunday to Al Capone, Chicago's role in the rise and fall of Prohibition is notorious. A new book takes an even deeper look at how and why America went dry for 13 years. Eddie Arruza talks to Daniel Okrent, author of Last Call.

The working class meets the ballet class in Billy Elliot. Hedy Weiss reviews Elton John's hit musical, and two more colorful productions on the Chicago stage. Billy Elliot Eclectica The Farnsworth Invention

What's in store for the future of fashion? The School of the Art Institute's Fashion Show is this Friday. We get a preview from the department chairman. SAIC Fashion Show 2010

Joel and his panel discuss the week's top headlines: President Obama gives a boost to the Giannoulias campaign during a visit to Illinois this week; Mayor Daley balks at the suggestion of sending in the National Guard to help police Chicago's deadly streets; United and Continental Airlines are reportedly close to striking a mega-merger deal; immigration protests are planned in Chicago and across the country this weekend; Walmart is going to meet face to face with organized labor about its proposed Chicago expansion plans; and the Blackhawks advance to the conference semifinals against the V