Everyone who cares at all (one way or the other) about government surveillance should watch the documentary 1971 tonight, on the PBS show Independent Lens. Everyone who has an opinion on the Edward Snowden revelations should watch this film. Everyone who has an opinion on the USA PATRIOT Act should tune in. I say all this, mind you, before I've even seen the film. Full disclosure: I'm not being paid or compensated for this plug in any way, either. But I know that however the subject matter is handled by the director, it is significant enough and important enough to...