More details on the censorship of this video at http://bikerbillnh.blogspot.com/2010/11/empires-underlings-frown-on-their-own.html With chalk, evidently. Ephemeral chalk, it seems, scares the regime absolutely shitless. Scares them into cackling like the insane. Scares them more than the relatively more permanent rubber residue left by dragging uppity, disobedient civilians away to cages. Don't ask me why. Clearly, don't bother asking them, either...