Rick Perry drew feisty attacks on stage and a few boos from the crowd at tonight's GOP debate in Florida, which also saw Michele Bachmann step it up a notch after fading in the first debate, Politico reports. Tonight kicked off with a fiery exchange on Social Security, when Mitt Romney accused Perry of frightening Americans by calling it a "Ponzi scheme." Perry won a round of applause by reminding Romney that he had equated Social Security with "a criminal enterprise." Both candidates, however, echoed Bachmann in saying Social Security must be maintained but put on a solid financial footing. In other debate highlights: