This housing complex takes up several city blocks and bears the name of a very famous Chicagoan. Geoffrey Baer has the history of these Old Town apartments in today's Ask Geoffrey.

What are the 10 "most threatened" historic sites in Illinois? The head of a group that wants to bring attention to these endangered landmarks tells us why they are at risk. More on the Story: Map and info of endangered landmarks Landmarks Illinois website

She's been an acclaimed designer for Tiffany and Co. for over 30 years. Artist Paloma Picasso is here to talk about her life, her work and her legacy. More on the Story: Paloma Picasso Timeline

What does the nuclear crisis tell us about Japanese culture? We talk to two experts about Japan's calm and collected nature in the face of tragedy. An article on Japan's stoicism after the earthquake

Everybody seems to agree that youth - especially "at-risk" youth - need mentors. But the problem with many mentoring programs is that the mentors don't stick around long enough. A Chicago mentoring program aims to fix that. More information on Aim High

Olympic figure skating champion Kristi Yamaguchi talks about becoming the first Asian American to win gold, and her new children's book. More on Kristi Yamaguchi's book

We hear what you had to say about recent stories when we read viewer mail.

Jay Shefsky takes us north of the border to the legendary Great Lakes Dragaway in Union Grove, Wisconsin. Great Lakes Dragaway website

This week on Chicago Tonight: The Week in Review, the CHA's most notorious public housing project, Cabrini-Green, is being torn down. Mayor Daley's trying to slash costs, this time by cutting rat patrol crews. Meanwhile, Chicago's Mayor-elect Rahm Emanuel and Cook County Board President Toni Preckwinkle discuss consolidating elections and health care service to save millions. Winnetka debates affordable housing there. Illinois schools are hoarding billions in cash. And in sports, baseball is back! Guests:

These prehistoric figures were part of a popular Field Museum exhibit for over 40 years before they were removed.   So where are they now?  Geoffrey tells us the surprising answer.

Two nuns took to the Chicago streets 43 years ago asking unsuspecting passersby a simple question--"Are you happy?"  Their candid exchanges were documented in a film airing tonight on WTTW.  We'll get a preview.

A truly inventive opera uses live actors, robots, and futuristic set design.  It's called "Death and the Powers" and we'll talk to the composer -- a cellist and inventor whose technologies helped create Guitar Hero.

This sport is all about moving from point A to point B over any obstacle. We'll show you how a group of Chicagoans are training in the harrowing discipline of Parkour.

Will fiery pastor Father Michael Pfleger stay at St. Sabina, or move elsewhere as the Archdiocese has indicated? We get the latest on this and other religion stories. With his future at St. Sabina up in the air, Chicago Tonight takes a look back at Father Michael Pfleger's controversial tenure at the storied parish. For a complete timeline, visit More on the Story

We take another look at the amazing story of Vivian Maier, a Chicago nanny who took more than 100,000 photos during her lifetime -- but never showed them to anyone. Now that she's gone and her photos have been discovered, some say she may rank among the top street photographers of the 20th century. Jay Shefsky has the story.

New York Times conservative Op-ed Columnist David Brooks has written on just about everything -- politics, war, class and beyond. We talk to him about his new book, where he reveals the power of our unconscious and its role in our development.