Believing a free press to be a vital safeguard of liberty, Thomas Jefferson said, “Whenever the people are well-informed, they can be trusted with their own government.” Many believe the inverse of Jefferson's maxim — the people are uninformed, and therefore the government can't be trusted. After all, what well-informed American would knowingly allow politicians to lead us to the monumental economic and budgetary “cliffs” we face? Despite a proliferation of new media, it's increasingly difficult to separate fact from narrative. Combined with rancorous political discourse in which opponents are demonized in order to delegitimize competing arguments and render unnecessary...