http://nwpr.org en http://nwpr.org/post/perry-campaign-amplifies-attacks-santorum Republican presidential hopeful Rick Perry has been aboard a bus touring Iowa hoping to score an upset in next Tuesday's caucuses. Perry spent Thursday trying to reverse the surge that challenger Rick Santorum has seen in a recent poll. Fri, 30 Dec 2011 11:39:00 +0000 KUT-FM: Ben Philpott, KUT News 448 at http://nwpr.org