Tracking the GOP race to 2012

Sarah Palin might take to radio; The Daily Show debuted a new segment--"GOP 2012: What Are You Doing To Help Mitt Romney?"; Tim Pawlenty waded into health care and took a shot at Mitt Romney's reforms in Massachusetts; and a Fox News/Opinion Dynamics poll showed Palin, Romney, and Mike Huckabee as the GOP's 2012 frontrunners, with Romney in the lead.