When one sits down to watch the "Dirty Harry" series, which is finally being released in its entirety by Warner Bros. as a DVD boxed set, fully loaded with special features and new transfers, one question seems to burn in the mind: People actually paid to see these movies? Produced between 1971 and 1988, when violent crime seemed to be on a never-ending upswing, the five films in the series "Dirty Harry" (1971), "Magnum Force" (1973), "The Enforcer" (1976), "Sudden Impact" (1983), and "The... ...