Seriously, what's the argument for porn being speech and expression? What is the message it's trying to convey?
Edit: Guys, I'm asking if it's speech/expression and, if so, how. Most of the comments in support of it aren't answering the question, just showing their support for free speech and expression, in general. Only one guy has made a case for it, comparing it to car shows and art. And, even though I have reservations about labeling it as art, I appreciate that he's making a case for it and not just side-stepping the issue.
That discussion may be interesting but it isn't relevant.
The real question is should there be any limits on speech?
And are the people in charge of setting and enforcing those rules agreeing with your position or with the position of people who don't like you?
In reality, this is all that matters. There has never been completely free speech anywhere, ever. Even without laws, even before civilization, you still couldn't piss off your village or tribe or whatever for fear of being ostracized and thus dying.