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Howard Beal laid it out for us in Network, but James Poniewozik gives us the contemporary context in his new book Audience of One: Donald Trump, Television, and the Fracturing of America
My conversation with James Peniewozik:
"To discover to the world something which deeply concerns it, and of which it was previously ignorant; to prove to it that it had been mistaken on some vital point of temporal or spiritual interest, is as important a service as a human being can render to his fellow creatures..." John Stuart Mill, "On Liberty"