I don't really see your point about free speech.
This woman is free to sell her bumper sticker and we're free to call her a racist for doing it.
You don't get much freer than that.
I'm totally with you on the Political Thunderdome though.
The 'Free Speech' thing was kinda twofold - A. A kind of underhand jab at the Political Left for having this habit of crying whenever they hear something they don't like (yeah, that fuckstain Santorum is whining about Porn, the right's guilty, too), and B. A direct shot at the now - embedded - into - society idea of Political Correctness, which is simply a marvelous tool devised to assist people in getting offended. Nowadays, so much attention is heaped on dumb bullshit like this in the Media, and that bothers me, because the more you control what people are able to say, the more you end up controlling what they think.
It's one of those weird situations I find myself in where I don't agree with a particular 'ism', but I firmly believe in the right of people to think and say whatever they want, and see pointless controversy as another means to stifle that. The fact that a bumper sticker even MADE it into the news in this country should scream volumes about how far our society has its head shoved up its own ass.
...They Don't think it be like it is, but it do.