When people in power can operate in the dark, inevitably they abuse that power. So, you need outside forces to bring light and transparency to what they're doing. And, one of the ways you do that is through journalism, and through guaranteeing a free press. That is its purpose, to provide a check on those who wield power.
Glenn GreenwaldIt is hard to imagine having a government more secretive than the United States. Virtually everything that government does, of any significance, is conducted behind an extreme wall of secrecy. The very few leaks that we’ve had over the last decade are basically the only ways that we’ve had to learn what our government is doing.
Glenn Greenwald