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.

Related Links:

Chicago Sun-Times column by Carol Marin on Newt Gingrich

Chicago Tribune article on Michele Bachmann ending GOP presidential bid

Chicago Sun-Times blog: recap of the Iowa caucus

The New York Times: Iowa Caucus Results

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