Australia recently passed a law that criminalizes all "hate symbols" (the government, of course, giving itself the power to determine what's a "hate symbol" and what isn't), including the Nazi salute, with mandatory jail time. Margaret Brennan, the host of the CBS show "Face the Nation", recently argued on live broadcast that freedom of speech was the major contributing factor to the raise of the Nazi regime and the Holocaust in Germany. (And she wasn't just making some kind of off-hand mention among other arguments. She was doing this explicitly and directly as an argument for why freedom of speech should be restricted.) These are just the tip of the iceberg. More and more countries over the last ten or so years have either seriously considered outlawing, or have gone and actually outlawed, "hate speech" and "hate symbols". Some countries, like the United Kingdom, have taken an astonishingly inclusive interpretation of what...