FILE - In this Nov. 12, 2011 photo, Republican presidential candidate Ron Paul, speaks at the CBS News/National Journal foreign policy debate at the Benjamin Johnson Arena in Spartanburg, S.C. Paul is emerging as a significant factor in the Republican presidential race, especially in Iowa. Long dismissed by the GOP establishment, the libertarian-leaning candidate is turning heads beyond his hard-core followers just weeks before the state holds the leadoff presidential caucuses. (AP Photo/Richard Shiro)