Santorum announced his candidacy near Pennsylvania coal mine where grandfather worked . A two - term U.S. Senator , he lost re - election again in 2006 . Santorum a favorite among social conservatives , influential in the primary process .
Santorum announced his candidacy near Pennsylvania coal mine where grandfather worked . A two-term U.S. senator , Santorum lost re-election bid in 2006 . Santorum a favorite among social conservatives , influential in GOP primary process .