Rush Limbaugh built talk radio's foundation, and Rupert Murdoch proved the same concept for cable news, reshaping conservative media for decades.
https://www.foxnews.com/opinion/hugh-hewitt-legacy-media-left-half-america-fox-news-let-them
https://www.foxnews.com/opinion/hugh-hewitt-legacy-media-left-half-america-fox-news-let-them