1964年,就在约翰·F·肯尼迪死后一年,美国大众电视向前跨出了一大步,进入了创造性的艺术领域。总统遇刺是历史上第一次电视直播的事件,引起了人们对于这种通过联合美国公众感情而产生强大文化影响力的无线电媒介产生了越来越广泛的兴趣和注意。从这时起,“媒介事件”成了具有强大力量的文化现象,经常挤走通常安排好的节目。至此,电视作为一种无线电联播网的战后商业投资,非常缓慢地为其发展商带来了他们早在三十年代和四十年就预见到的巨大利润。事实上,在六十年代以前,电视在商业利润上一直被认为是不成功的;但此时这种媒介已成了美国娱乐和意识的主要形式。这一时期,国家政治上呈现不稳定态势,但是非商业的无线电广播却得到了快速发展,数量越来越多的教育和有线电视台开始挑战商业网的垄断地位。受赞助的教育节目广播人 In 1964, just one year after the death of John F. Kennedy, Volkswagen made a big leap forward into the field of creative art. The assassination of the president was the first television broadcast of history in history, arousing widespread interest and attention in the radio media that generated a strong cultural influence through the united public feelings of the United States. From this moment on, “media events” have become a cultural phenomenon with powerful forces that often crowd out programs that are usually scheduled. So far, the post-war commercial investment of television as a radio network has brought very slowly to its developers huge profits that they had foreseen in the 1930s and 1940s. In fact, television was considered unsuccessful in commercial profits until the 1960s; at the time, however, this medium had become the dominant form of entertainment and awareness in the United States. During this period, the political situation in the country was unstable. However, the non-commercial radio broadcasting developed rapidly. A growing number of education and cable television stations began to challenge the monopoly position of commercial networks. Sponsored educational program broadcaster