Barbara Kingsolver said this quote

But newspapers have a duty to truth,' Van said.Lev clucked his tongue. 'They tell the truth only as the exception. Zola wrote that the mendacity of the press could be divided into two groups: the yellow press lies every day without hesitating. But others, like the Times, speak the truth on all inconsequential occasions, so they can deceive the public with the requisite authority when it becomes necessary.'Van got up from his chair to gather the cast-off newspapers. Lev took off his glasses and rubbed his eyes. 'I don't mean to offend the journalists; they aren't any different from other people. They're merely the megaphones of the other people.