Ron Paul remains longshot for GOP nom (AP)

Republican presidential hopeful Rep. Ron Paul, R-Texas, gestures while participating in a Republican debate in Columbia, S.C in this May 15, 2007 file photo. Paul may be the political butterfly of the 2008 presidential campaign. An obscure congressman from Southeast Texas for most of his political career, Paul has metamorphosed into the favorite of legions of die-hard fans across the country who have been exposed to his contrarian views through Republican candidate debates and Internet blogs. (AP Photo/Mary Ann Chastain, File)