" The crowd was getting hysterical, so I reached into my back pocket and flippe open my wallet to reveal my badge. " Official business," I announced. " Please leave the area." This had the desired effect; it deescalated the mood and prompted most of the crowd to disperse. It's funny what a plastic badge and a meaningless phrase can do. The authority of the police is anothe mass delusion that can be useful at times. I hadn't even needed to claim I was a cop; all it took was a couple of simple cues to invoke the delusion. "