Moviemakers love the world beneath the streets of Chicago. Tonight, Geoffrey Baer shows you subterranean spaces even Hollywood hasn't discovered in the conclusion of his series Under Chicago. Watch the first segment of Under Chicago (08/12/09)

Cellist Sara Sant'Ambrogio talks about her latest project, Expressions of Artistry, and performs in our studio. Guest: Sara Sant'Ambrogio Watch the complete video of Sara playing George Gershwin's Summertime

Longtime Chicago Sun-Times columnist Robert Novak died this morning after a battle with brain cancer. We take a look back at his 2007 appearance on this show to promote his recently-published memoir. Guest:

Geoffrey Baer takes you on a ride aboard Chicago's last surviving private commuter rail car.

Earlier this year, the Vatican began what's called a "visitation" of American nuns, but some are labeling it an investigation. What is the Vatican looking for and how are Chicago nuns reacting to it? Eddie Arruza will report. Leadership Conference of Women Religious Apostolic Visitation of Institutes of Women Religious in the United States

For the rest of the summer we'll be replaying the best of John Callaway's interviews over the years. As the Cubs and Sox each battle to make it into the playoffs, we thought it would we be the perfect time to look back at a 1986 conversation with broadcasting legend Jack Brickhouse. Guest: Jack Brickhouse - sportscaster

The decision to invade Iraq shocked retired four-star General Anthony Zinni. He has written a book about lessons in leadership, and he joins us to talk about the challenges facing leaders in the battlefield and the boardroom. Guest:

Have you ever seen the Joffrey Ballet perform? How about the Alvin Ailey Dance Company? Want to see them for free? We tell you how when we sit down with Around Town editor Madeline Nusser from Time Out Chicago magazine. Guest:

They helped create some of the most popular music of the last 40 years. We have a live performance from Bob Marley's legendary back-up band, The Wailers. Guests: Aston Barrett, Elan Attias BobMarley.com Windy City Ribs Festival: Wailers play on Friday, 08/14 Music Blogging Hive Mind on The Wailers

Geoffrey Baer shows us what lies beneath the city when he takes us on an underground tour of Chicago. Info on restoration of Buckingham Fountain

Chicagoan and self-proclaimed "porch pop" musician, Dick Prall performs live in studio. Guest: Dick Prall Additional Resources Listen to songs and get more info at Dick Prall's blog Schubas, where Dick performs every Monday in August

Eunice Kennedy Shriver died today at the age of 88. She founded the Special Olympics, which debuted in Chicago in 1968. We look back at her life and legacy.

How young is too young for a child to have a cell phone? We talk with experts about this new reality. Read more trends from the report (PDF) C&R Research, the firm which conducted the study

What's more than 6 feet tall, twisted, and full of hot air? We introduce you to a young Chicagoan who crafts giant sculptures made entirely of balloons. WillyChyr.com Photos of work from a University of Chicago exhibit

The Blackhawks have had an off-season to forget. The latest piece of bad news is the arrest of young superstar Patrick Kane on a felony robbery charge. Elizabeth Brackett and her panel have the latest developments. Blackhawks Official Site