FILE - In this Nov. 12, 2011, file photo, Republican presidential candidate Newt Gingrich, left, speaks as fellow candidate Rick Perry looks on during the the CBS News/National Journal foreign policy debate at the Benjamin Johnson Arena, in Spartanburg, S.C. When it comes to education, the Republican field of presidential candidates has a unified stance to get the federal government out of schools, but disagrees on methods. (AP Photo/Richard Shiro, File)