Former House Speaker Newt Gingrich and his wife Callista speak to delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012. (AP Photo/Charlie Neibe

 

              Former House Speaker Newt Gingrich and his wife Callista speak to delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012. (AP Photo/Charlie Neibe
Former House Speaker Newt Gingrich and his wife Callista speak to delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012. (AP Photo/Charlie Neibergall)