The 2012 Florida U.S. Senate race will be one of the most closely watched in the nation. Four Republicans are running for the chance to unseat Democratic Sen. Bill Nelson. After interviewing Adam Hasner and George LeMieux, we now visit with Col. Mike McCalister. The longtime U.S. Army officer tells us why he’s running, why his military experience would be a plus in jump-starting the economy, where he stands on critical issues and why he believes he’s the best choice for conservative voters. Listen here for our full conversation with Col. McCalister.