How did the right get their vice grip of the airwaves, all the while arguing that they were being censored? On this week’s On the Media, a look at the early history of American radio, and why, in the post-war era, the U.S. government encouraged more diverse viewpoints on the airwaves — until it didn’t. Plus, the technological and legal changes that led to the popularity of conservative talk radio hosts like Rush Limbaugh.

[00:10] Reporter Katie Thornton explains how radio programming shifted from the 1930s to the 1960s, and how the FCC attempted to prevent propaganda on the airwaves. Plus, what legal challenges conservative radio faced during the Civil Rights Era.

[10:07] Reporter Katie Thornton takes a deeper look at The 700 Club, a Christian television news show that helped give rise to a network of conservative Christian radio stations.

[22:51] Reporter Katie Thornton describes how the introduction of high-quality FM radio led AM radio to focus on talk radio, and the factors that made way for Rush Limbaugh to become the breakout star of conservative talk shows.