Just who is Earl Dittman? He’s blurbed for even the foulest of movies as “absolutely loved it” and declares even the sorriest effort as “a cinematic masterpiece.” “The figment of a movie publicist’s wet dream, an avatar of agreeability who never fails to salute whatever bomb is launched out of Hollywood. No matter how soundly a movie is trashed by critics, Dittman can be counted on to declare it a masterpiece in his ubiquitous newspaper ad blurbs.” But does he really, truly exist? Peter Howell goes hunting…