The poster art over the years, art with social critique in it, has always been on class war theme. It's been trying to make that point - that we are larger than they are. They may have guns and pepper spray and helicopters and F16s and the whole U.S. military on their side, but when it comes down to it, we still have the numbers.

Whether it's a street poster on a brick wall, a magazine cover on a newsstand, or animation on a movie screen - art is an effective means of communicating with large numbers of people.

When I was in my early twenties I was doing tenant organizing - rent strikes, specifically - in my building. I think that was how I started doing poster art. It was something very concrete.

Artists always live in the cracks anyway, whatever culture they're in. They're usually accustomed to not having much money, to kind of roughing it.

Everything you do is political, even if it's abstract. You're making a political statement even if it's unwittingly.

In art school we're always taught that art is an end in itself - art for art's sake, expressing yourself, and that that's enough.

Art is one of the few ways we have of dealing with things that frighten or anger us.