Santorum declared winner based on early results and exit polling information.
Read more...Drake and Santorum have more in common than fans might like to admit.
Read more...Why California's 150 delegates could be huge in the Republican GOP race.
Read more...Finally a strong victory for the frontrunner.
Read more...Polls show Mitt Romney to be the frontrunner in Tuesday’s Republican Primary in Illinois.
Read more...GOP candidate appeared on Fox News Sunday ahead of Tuesday's Illinois primary.
Read more...Gov. Robert Bentley voted for Santorum in Tuesday's primary
Read more...Experts say rising gas prices may be to blame.
Read more...Polls are "too close to call," but Gingrich remains deep in the mix for Alabama and Mississippi as well.
Read more...Santorum predicted the race would come down to two people.
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