CNN writes, (CNN) - Rick Santorum's headed to Iowa, some two years and nine months before the next Iowa caucuses. The Iowa Faith and Freedom Coalition announced Tuesday that the former senator from Pennsylvania and 2012 GOP presidential candidate will keynote its annual Spring Kickoff, which will be held April 15.Follow @politicalticker The Iowa Faith and Freedom Coalition is a leading social conservative group in the state that traditionally holds the first contest in the presidential caucus and primary season. Santorum, once considered a long shot in the 2012 nomination hunt, narrowly came out on top in…