Even if you find yourself generally apolitical, freedom of speech is a right/privilege we shouldn't take lightly. The Catallaxy Files posted this a day or so ago which is worth a read.
and here's Mark Steyn, with characteristic humour, reminding us why free speech is worth fighting for.
Increasingly, I see this as the most important political battle of our time. I can't see how we can have a fully functioning democracy without it.