Weather Old man winter hit our area hard today. We'll get the latest from WGN meteorologist Tom Skilling. News Analysis with Elizabeth Brackett Our coverage of the upcoming aldermanic elections continues. Tonight we'll talk to candidates in the city's most visible ward. 42nd ward incumbent Ald. Burt Natarus and challenger Brendan Reilly join us in studio. Tax Tips Top tax preparer Joan LeValley gives us some timely tips for filing and tells us about changes to the tax laws.

Obama's Official Announcement Sen. Barack Obama launched his presidential campaign this weekend. Our Carol Marin was there and will have the details. Plus, we'll take another look at the in-depth biographical profile Elizabeth Brackett put together about Obama on the eve of his 2004 Senate campaign. News Analysis with Carol Marin We'll begin our coverage of this month's aldermanic elections with a look at the hotly contested 7th ward race among Ald. Darcel Beavers, Sandi Jackson and two other candidates.

Quinn vs. Com Ed Lt. Governor Pat Quinn is upset that the Illinois Commerce Commission isn't going to investigate ties between Com Ed and the group Consumers Organized for Reliable Electricity. We'll talk with Quinn about this latest chapter in Illinois' electric rate saga.

News Analysis with Carol Marin Cook County Board President Todd Stroger has named his cousin to be the county's Chief Financial Officer. Carol Marin talks to two Cook County commissioners about this and other high-ranking staff changes. Guests: Forrest Claypool, Tony Peraica

Heart Disease Update Heart disease remains a major killer and the number one killer of women. We'll talk to a cardiologist about a new study that could spell progress and find out what you should do to remain heart healthy.

Bears Alumni Club The Bears' mission in Miami turned out to be impossible against MVP Peyton Manning and the Indianapolis Colts. In our last Bears Alumni Club of the season, former Bear Chris Zorich weighs in on what went wrong, and we'll look ahead to next season.

News Analysis with Elizabeth Brackett A new University of Chicago study released today is one of the most comprehensive looks at the attitudes of young African-Americans ever. Elizabeth Brackett sits down with the author of the study and one of its participants to talk about the surprising results. Richard Posner It is the cardinal sin in literature and journalism. But why do people still do it? We'll talk to federal appeals court judge Richard Posner about his new book on plagiarism.

News Analysis with Carol Marin Cook County's Chief Medical Officer was on the hot seat today as commissioners critiqued his bare-bones budget. Dr. Robert Simon will join Carol Marin in the studio. Organ Donation We'll hear all about new aspects of organ donation. It involves a lot more than just signing the back of your driver's license. Guest: Dave Bosch, Gift of Life Organ & Tissue Donor Network

Eye on Iowa Hillary Clinton made some unexpected news while she was in Iowa. And Barack Obama will make his rounds in that state shortly. Chicago Sun-Times columnist Lynn Sweet has been on the trail and stops by our studios to talk presidential politics.

News Analysis with Carol Marin He may be Chicago's most powerful politician that no one recognizes. Carol Marin sits down with William Daley, the brother of the mayor, advisor to Sen. Barack Obama, and former Secretary of the Commerce Department under Bill Clinton.

Countdown to Miami The Chicago Bears say they are ready to bring a Super Bowl home to the Windy City. Christian Farr talked to the coach and his players about being the underdogs, and what it means to make it to the big game. News Analysis with Eddie Arruza Forget the car, or we'll have you deported. That's the front page headline in today's Chicago Sun-Times. Eddie Arruza and his panel look at the precarious situation of illegal immigrants and the radio station that usually fights for them.

Lovie's Future Any truth to the speculation about the future of Bears coach Lovie Smith? Rich Samuels will be here with the latest from Halas Hall. News Analysis with Carol Marin In a cost-cutting move that Cook County Sheriff Tom Dart has called "unconscionable," board president Todd Stroger has called for the elimination of more than 300 sheriff's employees. Carol Marin will talk with Sheriff Dart. Click here to see every county employee's salary.

Olympic Dreams Chicago's Olympic committee unveils its plans to host the 2016 games. The temporary stadium has shrunk in size, but the estimated costs have risen. Christian Farr will talk about the changes and what they mean for the city.

Bears Alumni Club They proved the critics wrong and now the NFC Champion Bears are headed to the Super Bowl. Our panel of Bears experts talk about last night's stomping of the Saints. Plus, Elizabeth Brackett tells us what Lovie Smith had to say at today's Bears press conference. Guests: Emery Moorehead, Mike Adamle and Mike Mulligan

Countdown to Miami It's only three days away. What do the Bears need to focus on to beat the Saints and make it to Super Bowl 41? We'll assess the Bears' chances with Sun-Times sports columnist Jay Mariotti. Manley Career Academy We'll hear the story of one extraordinary program at a Chicago public high school that is changing the way students see themselves and the world. It's the topic of a new documentary produced by our own Carol Marin. She'll join us to talk about it.

Tribune Company Auction Bids for the troubled Tribune Company were underwhelming as the auction process came to a close tonight. What does the future hold for the longtime media giant? Guest: Bob Reed