There are many many reasons why things like this don't happen where I live.
Most of you will deny the truth of the primary reason and I am not here to argue it with you.
One of the other reasons for why this doesn't happen where I live is that most of the people around here are licensed to carry firearms and will simply put an attacking dog down. Any kid who used a dog to "threaten people" around here would find himself dragging his dead dog home within about 5 minutes of trying to menace someone with it. This is as it should be. Those of you who disagree are simply arguing in favor of a place where such behavior is not only allowed, but tacitly encouraged.
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If ignorance were painful, half the posters here would be on morphine drips.
Everyone playing WoW knows everything about playing two classes: 1) their own and 2) Hunters