WAVERLY — Republican presidential hopeful Rick Santorum set to distinguish himself from other Republicans running for their party’s nomination — particularly those leading the polls — when it comes to foreign policy experience.“If you look at the Republican candidates for president, and the popularity of people who have zero experience on anything having to do with government — zero — ask what their foreign policy background (is) or thoughts on foreign policy,” Santorum said Monday to a crowd of about 40 at Wartburg College.Those candidates may have answers on foreign policy issues but haven’t proved those beliefs, said Santorum, who averages 1.5 percent in Iowa polls, according to Real Clear Politics.Santorum made the case that during his tenure in the U.S.