Watch Giuliani stress National Security at a recent campaign stop.

National security and Florida are both absolutely essential to Rudy Giuliani’s presidential campaign. The former New York City mayor has risen to the top of the national standings thanks in part to his tough-on-terrorism reputation. And Giuliani – who is lagging in the polls in most early-voting states - has wagered his campaign on a strong showing in Florida, whose voters don’t head to the polls until January 29. Watch him talk security with a Sunshine State crowd.