Remember R.A. The Rugged Man’s “Sinematic Enema” movie column in Mass Appeal? Well he’s taken the same idea to the video medium and is interviewing legends of low budget cult classics. This episode’s subject is Sam Firstenberg, the guy behind “Revenge of the Ninja” and “Breakin’ 2: Electric Boogaloo,” which featured Ice-T in first movie role. You thought the blood squirting and violence in “Django” were over the top? That flick has nothing on Firstenberg’s “Revenge . . .” and the “American Ninja” trilogy.