http://seattletimes.nwsource.com/html/localnews/2008074874_webcriticalmass26m.html Seattle Critical Mass riders' behavior contributed to an escalation of a confrontation which ultimately led to the driver being put in the hospital and his car so damaged that it had to be towed away. I've seen videos online of these Critical Mass bicycle rides and I'm surprised none of them have been killed yet. First off, they blatantly disregard all traffic laws regarding riding bicycles on the roads. They fly through red light intersections and block all traffic to allow the riders to continue without stopping. They block the entire road way and challenge drivers to hit them while behaving in an agressive manner as their cohorts video tape the confrontation with their cell phones to use online to show how evil drivers are. I think they'd get a lot less bad press and a lot less confrontations with drivers if they actually obeyed traffic laws like stopping at red lights and stop signs and staying to the right and within the right hand lane among other traffic laws depending on city/state. The police share part of the blame for not putting a stop to their illegal behavior on the road right from the start and now it's grown to mob or gang type mentality with many riders carrying knives or other types of blades. I have no problem with bike riders on the road as long as they obey the rules of the road instead of intentionally being A-holes and acting like they own the entire road.