The Right Frequency: Is talk radio dividing America?

 In a Listening Post special, Flo Phillips travels across the US to ask what role conservative talk radio is playing in polarising American politics.

All day, every day, conservative talk radio hosts keep millions of Americans company as they commute, work and go about their daily lives.

The mix of opinionated, entertaining and unapologetically right-wing talk has proven a winning broadcast formula – a billion-dollar industry – one that has given a voice to an audience that long felt unheard.