According to the New York Times, graffiti is spreading all across the Untied States, in cities big and small. But why? Marcia Dennis, who heads Portland’s highly ineffective anti-graffiti efforts, thinks she has the answer: “The rush is addictive, and these guys don’t quit. They all think they’re going to end up being fabulously wealthy graffiti artists like Marc Ecko or Banksy or Shepard Fairey.” Well, at least she got the first bit right. (Photo: Terry Frederic/flickr)