Probably no decade saw as many changes in the Hollywood film industry and its product as the 1930s did. At the beginning of the decade, the industry was still struggling with the transition to talking pictures. Gangster films and naughty comedies starring Mae West were popular in urban areas, but aroused threats of censorship in the heartland. Whether the film business could survive the economic effects of the Crash was up in the air. By 1939, popularly...