If a person say's something someone else does not like they WILL NOT be persicuted for it.
(2) The example of saying something ill informed is like saying "Dude, I heard Osama Bin Laden is sending spiders as big as camels to attack our troops in Iraq!" First off, camel spiders are not as big as camels, and they're being found in U.S. encampments because they are attracted to the shade, not because of terrorist activities. You have the right to speak freely, you just lack the brains.
(3) If you tell someone you'll kick their ass, be prepared to face the consequences of your words. This is the burden of free speech (which, ironically, isn't too bad to deal with if you actually have some tact) The tougher side of this is that you have to try and respect that people you disagree with have just as much of a right to express themselves as you do.
(4)Innocent groups such as librarians have been oppressed and silenced by this act, whilst the feds search freely through our phone, library, internet and other information access records.