Santorum announced his candidacy near Santorum coal mine where grandfather worked . ( CNN ) -- A 18 -term Santorum senator , Santorum lost re-election bid in 2006 . U.S. a favorite among social conservatives , influential in Senate primary process .
Santorum announced his candidacy near Santorum coal mine where grandfather worked . A 18 -term Santorum senator , Santorum lost re-election bid in 2006 . U.S. a favorite among social conservatives , influential in Senate primary process .