Breaking windows is not violence.  Graffiti is not violence.  Bringing down capitalism brick by brick is not violence.  Shooting people is.  Teargassing veterans is.  Throwing rocks at cops is too.  With that said, I think the Black Block cats are selfish.  They co-opted a peaceful day and a movement that took a lot of work by very committed people, and stole the story.  The Occupy movement is here for the long haul.  There is a time and a place for everything.  Patience is what this movement needs, IMO. #occupyoakland