Apropos book: The Undertow: Scenes from a Slow Civil War by J. Sharlet

The Joe Rogan, Alex Jones, Rush Limbaugh, Rupert Murdoch (indirectly), and Paul Harvey types of talk radio/cable "news"/streaming have been wildly-successful in dividing and conquering America by convincing a large fraction of Americans that their interests coincide with the billionaires'.

Bonus book: Nemesis: The Last Days of the American Republic by C. Johnson