When the Manners Police Knock

My jurisdiction is the doorways of public spaces. Why do people congregate
there? In the presence of these clogged arteries, I become Lipitor Man. I have
made strange beeping noises. I have robotically bleated: "Doorway! Doorway!"
Once, after I had cleared two chatty bystanders from a tobacco shop entrance,
one asked me, "Is this [...]
Source:
http://www.ezonearticle.com/2012/12/21/when-the-manners-police-knock/