In the September 14, 2017 New Yorker, Adrian Chen wrote an essay on fake news. They use the byline ” Old fights about radio have lessons for new fights about the Internet”. Naturally, this containing some radio history, I was interested in the points made.
“The greatest organizers of mass hysterias and the mass delusions today are states using the radio to cite terrors, incite hatreds, inflame masses.” Dorothy Thompson, 1938
The New Yorker archives has the article.