Former Chicago Bears safety Dave Duerson's suicide stunned the sports world. We talk to medical experts to discuss the type of dementia some believe may have contributed to his death. Chronic traumatic encephalopathy (CTE) explained

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Whether rushing to make the train or maneuvering the crowded, bustling streets of Chicago, city living can be very stressful. We talk with Jonathan Kaplan, a clinical psychologist, who says you don't have to jet off to a Buddhist monastery to find serenity. It's just a matter of altering your mindset.

This week on Chicago Tonight: The Week in Review, the tone turns nasty in the final days of the mayoral campaign. In a rally for Gery Chico, a union leader calls Rahm Emanuel a "Wall Street Judas." Mayor Daley says that's anti-Semitic. But Chico, who has three Jewish daughters, disagrees. Just weeks after a major income tax increase, Gov. Pat Quinn's $52.7 billion budget includes tough cuts and billions in borrowing. And in sports, Super Bowl Bears great Dave Duerson is found dead. Blackhawks Coach Joel Quenneville is hospitalized. And the Bulls beat the league's best.

Amy Chua, author of Battle Hymn of the Tiger Mother, joins us to discuss her controversial book about Chinese mothering. The topic has generated heated discussions about parenting and ethnicity across the country.

Since IBM's super computer Watson blew its human competition out of the water by winning on Jeopardy, the future of artificial intelligence looks bright. We explore that future. Washington Post with more on the story

Everything you ever needed to know about our four-legged equine friends, straight from the "Horse's" mouth. We take you inside the Field Museum's much anticipated new exhibit that has just galloped into town. Preview the exhibit online

From World War II bomber jets to failed car experiments, we find out how an expansive area underneath the Ford City Mall in West Lawn connects this neighborhood to its past.

IBM's Watson super computer serves up stiff competition to its human challengers on Jeopardy. Ash-har Quraishi speaks with a computer scientist from Northwestern University about what the contest means for Artificial Intelligence. Learn about Watson

Jane Addams and her fellow reformers understood the social value of art and its ability to break down barriers and uplift people. On the Art Beat, find out how Jane Addams' Hull House was an incubator for early Chicago artists. Hull House Museum Text of Jane Addam's book Twenty Years at Hull House Corbett vs. Dempsey gallery

This week on Chicago Tonight: The Week in Review, the latest polls are showing mayoral frontrunner Rahm Emanuel pulling away. Cook County Board President Toni Preckwinkle is victorious with both State's Attorney Anita Alvarez and Tom Dart's budget battles. The Washington, D.C. meeting at Transportation Secretary Ray LaHood's office between airline officials and Mayor Richard M. Daley didn't get very far. There's a controversy brewing over the city's blizzard clean-up priorities. And to a chorus of boos, the Bulls' Carlos Boozer returns victorious to Utah.

More than 50 years after his tragic death, Buddy Holly continues to thrill many fans. Eddie Arruza talks with author Gary W. Moore about his new book: Hey Buddy: In Pursuit of Buddy Holly, My New Buddy John and My Lost Decade of Music, a story of the author's personal discovery of why the rock-and-roll pioneer continues to amaze. Moore's website

T-minus six days until the most romantic day of the year. Are you ready? If not, don't start stressing just yet. "Check Please" Host and Master Sommelier Alpana Singh is here with Valentine's Day wine and beer picks.

Eight times a week, heavyweights at the Steppenwolf Theatre clash over the question: "Who's Afraid of Virginia Woolf?" On the Art Beat, Chicago Tonight looks at the art of war, as engaged by a husband and wife named George and Martha. Steppenwolf Theatre online

Find out how the negative response to Groupon's Super Bowl ad featuring Tibet will impact the Chicago company. Kris Kridel, of WBBM Newsradio 780, joins us to look at the week in business. CNN article about the ad

She helped make Second City an internationally known cultural institution. Long-time Second City producer Joyce Sloane died last week, at the age of 80. We revisit her 2005 appearance on Chicago Tonight. Sloane's Second City biography