Since the Pioneer Corporation introduced the first television sets to the United States in the 1940s, television has been developing its practice as a political reporter. The Korean War and World War II interrupted its progress, but it made huge steps in the presidential election of 1948 and in the off-year contests of 1950. In 1940, the first televised political convention was brought to about 40,000 to 100,000 people , but there's really no record that television had an impact on the convention procedures or on the election that followed. Television was still in the novelty stage at that…