To give a specific example, this problematic aspect of Vian???s book is echoed in Larry Cohen???s 1973 film Black Caesar, where for instance there is a scene in which the main character Tommy Gibbs beats up a racist cop, smears his face with black shoe polish and forces him to sing Al Jolson???s Mammy while subjecting the plod to the type of racist invective that this reductively stereotyped Irish