President Obama spoke at a campaign fundraiser in Chicago last week. How will his campaign change this time around? How will it stay the same? We speak with the author of a new article that compares the 2007 candidate with the current one.

Need to catch a cab? The city hopes a new ordinance will ensure you have a safe driver and a modern, fuel-efficient vehicle. But some say the upgrades will be especially taxing on drivers. Paris Schutz has the story.

We recently did a story on the use of hyperbaric oxygen therapy, which is being used to treat everyone from cancer patients to diabetics. We have your thoughts when we read some Viewer Mail.

Joel Weisman and his panel of journalists discuss the week's top headlines.

The so-called Doomsday Clock is one minute closer to global catastrophe. But the reasons for the change may not be what you think. We talk with the executive director of the journal that decides when and why to move the minute hand.

President Obama is back in Chicago, raising big bucks for his reelection campaign -- while GOP frontrunner Mitt Romney solidifies his lead. Elizabeth Brackett and her panel have a full roundup as the race for president shifts into high gear.

There is more fallout today from Presidential Chief of Staff Bill Daley's decision to step down. We have reaction from the mayor and Obama chief campaign strategist, David Axelrod.

In the wake of this weekend's fatal apartment fire on Lake Shore Drive, Elizabeth Brackett and her panel explore high-rise fire safety and prevention.

A $45 million federal homeland security grant was wasted by Cook County. The director of the County's Department of Homeland Security talks about the scandal and what's next.

After just one year as President Obama's Chief of Staff, Bill Daley steps down. We have the latest.

Eddie Arruza and his panel of journalists discuss the week's top headlines.

And they're off. After the first hurdle, it's Mitt Romney and Rick Santorum neck and neck. Carol Marin talks with Illinois delegates for the top four candidates in Tuesday's Iowa caucuses about what's next for the campaign.

Mayor Rahm Emanuel touts ComEd's $2.6 billion investment in the new smart grid as good for the economy and good for consumers. Consumer watchdog group CUB promises to stay on top of the smart grid to make sure it is smart for ComEd clients. Elizabeth Brackett reports.

It's the final countdown for GOP presidential hopefuls in Iowa. Mitt Romney, Ron Paul and Rick Santorum lead the pack. Who is likely to win? And whose presidential dreams are over? We talk with Carol Marin who joins us live from Des Moines, Iowa.

Chicago protesters file for permits to demonstrate against the G-8/NATO summits. But some of the "temporary" rules appear to be permanent. Elizabeth Brackett reports.

Joel Weisman and his panel of journalists discuss the year's top headlines.