It's often said that for every rule, there is a story. Someone, somewhere, did something, and someone else made certain that thing was never going to happen again. The same is often true for signs; no one goes around posting them at random. No, a sign is only posted with a purpose; just sometimes, it's incredibly vague or confusing as to what that purpose was or why it needed to be a purpose at all. Well, these signs are here, and they mean serious business. As I look at each of these, I can't…