Former Arkansas Gov. Mike Huckabee delivers remarks to the Conservative Political Action Conference in February in Washington, D.C. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

Republican presidential candidate Mitt Romney makes a pie shell with store owner Linda Hundt during a campaign stop Tuesday in DeWitt, Mich. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images