critical mass in it's childish behavior, is offering the best argument possible for restricting the use of roadways. The behavior of its members is childish at best, and will ultimately hurt there cause. but this seems to be of little concern to this group of anarchists who just seem to live for causing problems for the rest of the city. (personally I think impounding bikes would be a great answer) (like Oakland does with the side shows) and we could have a bike auction every other month, I for one would love to pay low dollar for a "trek 5900" and I promise I won't disrupt city services......