" Yet the Constitution did not hold factions in check, and as early as 1791, Madison had begun to revise his thinking. In an essay called “Public Opinion,” he considered a source of instability particular to a large republic: the people might be deceived. “The larger a country, the less easy for its real opinion to be ascertained,” he explained. That is, factions might not, in the end, consist of wise, knowledgeable, and reasonable men. They might consist of passionate, ignorant, and irrational men, who had been led to hold “counterfeit” opinions by persuasive men. (Madison was thinking of Hamilton and his ability to gain public support for his financial plan.) The way out of this political maze was the newspaper. “A circulation of newspapers through the entire body of the people,” he explained, “is equivalent to a contraction of territorial limits.” Newspapers would make the country, effectively, smaller.90 It was an ingenious idea. It would be revisited by each passing generation of exasperated advocates of republicanism. The newspaper would hold the Republic together; the telegraph would hold "

― Jill Lepore , These Truths: A History of the United States