Ron Paul supporters pose with posters on the floor of the RNC on Monday in Tampa. They put "Ron Paul" over the word "We" on a GOP sign that says "We Can Do Better." Liz Halloran/NPR hide caption

itoggle caption Liz Halloran/NPR

Rep. Ron Paul, R-Texas, brought thousands to the Sun Dome in Tampa on Sunday for a "we are the future" rally. Becky Lettenberger/NPR hide caption

itoggle caption Becky Lettenberger/NPR

Rick Santorum told voters in Mandeville, La. on Wednesday that they were "not looking for someone who's the Etch A Sketch candidate." Sean Gardner /Reuters /Landov hide caption

itoggle caption Sean Gardner /Reuters /Landov

Jim Wilson of Buckingham, Va., who supports Republican presidential candidate Mitt Romney, walks past a bus during a Romney campaign stop Monday in Springfield, Ill. Steven Senne/AP hide caption

itoggle caption Steven Senne/AP

You know you're campaigning in the South if you've got comedian Jeff Foxworthy by your side. Foxworthy introduces Mitt Romney at a campaign stop at the Whistle Stop Cafe, Monday, in Mobile, Ala. John David Mercer/AP hide caption

itoggle caption John David Mercer/AP

Former Massachusetts Gov. Mitt Romney addressed supporters at a Super Tuesday rally in Boston on Tuesday. His home state was one of the six he won Tuesday night. Jessica Rinaldi /Reuters /Landov hide caption

itoggle caption Jessica Rinaldi /Reuters /Landov

President Obama announces the revamp of his contraception policy requiring religious institutions to fully pay for birth control, Friday, Feb. 10, 2012, in the Brady Press Briefing Room of the White House in Washington. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP