How do you know if you're living in a free society? Here's a quick test: Are you allowed to say obviously true things in public? Or are you forced to lie? As George Orwell put it in "1984": "Freedom is the freedom to say that two plus two make four. If that is granted, all else follows." But what if that freedom isn't granted? What if you're required to repeat things that you know aren't true? What if everyone who hears you knows perfectly well that you're lying, but they can't say so out loud? What if everyone is...