Former Pennsylvania Sen. Rick Santorum meets patrons of Tommy's Ham House in Greenville, S.C., on Saturday, Jan. 14, 2012, as he campaigns for the Republican presidential nomination. (AP Photo/Matt Rourke)

Photo by: Matt Rourke

Former Pennsylvania Sen. Rick Santorum meets patrons of Tommy's Ham House in Greenville, S.C., on Saturday, Jan. 14, 2012, as he campaigns for the Republican presidential nomination. (AP Photo/Matt Rourke)