People line up outside the Kynect store at the Fayette Mall, in Lexington, Ky., in February to apply for health insurance through the state exchange. Adam Beam/AP hide caption

itoggle caption Adam Beam/AP

Wisconsin Gov. Scott Walker offers cheese and ice cream to guests in his hospitality room at the Iowa Lincoln Day Dinner in Des Moines on Saturday. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP

Nearly a quarter of respondents to a recent poll had an opinion on Political Science Professor Emily Farris, who is not running for anything. Courtesy Emily Farris hide caption

itoggle caption Courtesy Emily Farris

Former Florida Gov. Jeb Bush had a tough week with his changing positions on the Iraq War and trying to explain whether he would have authorized it, knowing what we know now. Ross D. Franklin/AP hide caption

itoggle caption Ross D. Franklin/AP

Candidates, and "un-candidates," for the presidency are slicing and dicing campaign-finance law, testing the boundaries of what's legal. TaxCredits.net via Flickr hide caption

itoggle caption TaxCredits.net via Flickr

Former Republican presidential nominee Mitt Romney and former heavyweight boxing champion Evander Holyfield face each other during an official weigh-in Thursday, ahead of their charity fight Friday. Rick Bowmer/AP hide caption

itoggle caption Rick Bowmer/AP

Republican presidential hopeful Sen. Marco Rubio, R-Fla., speaks Wednesday before the Council on Foreign Relations in New York, where he laid out his "Rubio Doctrine." Mary Altaffer/AP hide caption

itoggle caption Mary Altaffer/AP