FILE - In this Nov. 9, 2011, file photo, Republican presidential candidates former Pennsylvania Sen. Rick Santorum, left, Rep. Michele Bachmann, R-Minn., former House Speaker Newt Gingrich, former Massachusetts Gov. Mitt Romney, businessman Herman Cain, Texas Gov. Rick Perry, Rep. Ron Paul, R-Texas, and former Utah Gov. Jon Huntsman, pose before a Republican presidential debate at Oakland University in Auburn Hills, Mich. When it comes to education, the Republican field of presidential candidates has a unified stance to get the federal government out of schools, but disagree on methods. (AP Photo/Paul Sancya, File)