The race to the Republican presidential nomination remains up in the air. Watch CNN.com Live for all the latest news and views from the campaign trail.
Today's programming highlights...
12:00 pm ET - Santorum rally - GOP presidential candidate Rick Santorum spends his Friday in Wisconsin, starting with a campaign rally in Hudson. He'll also speak in Chippewa Falls at 4:00 pm ET, then attend a fish fry and bowling outing in Weston at 8:00 pm ET.
12:45 pm ET - Gingrich at college - GOP hopeful Newt Gingrich is also in Wisconsin, and he will speak on the campus of the University of Wisconsin-Oshkosh. He'll later hold a "beer and brats" rally in Green Bay at 5:00 pm ET.
2:35 pm ET - Obama goes to New England - President Obama is also in the campaign spirit, as he'll speak at a fundraiser at the University of Vermont. He'll make similar remarks at a community college in Maine at 5:10 pm ET.
3:05 pm ET - Romney speech - GOP frontrunner Mitt Romney discusses "restoring America's promise" at an event in Appleton, Wisconsin. He'll later attend a Milwaukee fish fry at 7:00 pm ET.
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