Colbert launches Twitter campaign for DeMint seat; Haley responds on Facebook

Stephen Colbert arrives at the Cistern on the College of Charleston campus for the ""Rock Me Like a Herman Cain South Cain-olina Primary Rally"" at the College of Charleston in Charleston, S.C., on Friday, Jan. 20, 2012. (Grace Beahm/postandcourier.com) Buy this photo








