And there are many and varied ways in which one can disperse these traitorous dupes when they perform their disruptive blockades. First, there's sulfur dioxide (which, while non-toxic, nonetheless bears a fantastic "rotten egg" bouquet); then there's mace, and pepper spray.
Nothing clears a blockade like a good stinging stink...especially when the obvious leader of the group is the target.
There's a lot to be said for making citizens' arrests, too.
-Jay