This stuff always gives me a mental image of an anonymous INGO member in real life stamping [failed conversation] on the other party's face if that person starts a conversation with "how about that weather/sportsteams", or "how are you?", or anything else that's not completely fresh and original.
You must adhere to their stringent policies of acceptable conversation segways.
To get back on topic, if you ever do this, even if you are totally justified in defending yourself from a lunatic cop, the entire PD will show up at your house and execute you and just tell the media you are a cop killer. After all, that badge is a license to kill.