Beginning of Essay
The evolution of broadcast programming can be identified into four stages. The first stage covers the debut of commercial radio in the 1920's. At that time the tone was considered proper, and formal. For several years radio broadcasting emphasized classical or ....

Middle of Essay
.... were the most popular program format. Another television staple of this era was the western. In the late 1950's action-adventure became popular. Since the 1960's there has been a increase in violence in the media (television). In 1968 censorship laws were relaxed in favor of a rating system that allowed any type of subject matter to be filmed. This permitted Hollywood to specialize in films featuring excessive violence. Many individuals and citizen groups have expressed concern about the level of violence in television programs, particularly in action-adventure series and cartoons. They feel that viewers, especially children, may learn to see vi ....