Admin note: I think we've all heard every argument of the Great Helmet Debate ad nauseum. Without weighing in on that one way or the other, would it be possible to offer recommendations without arguing about the actual decision to wear a helmet or not? I think you're all capable of civility - in fact, I know you are. 
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"Real wars of words are harder to win. They require thought, insight, precision, articulation, knowledge, and experience. They require the humility to admit when you are wrong. They recognize that the dialectic is not about making us look at you, but about us all looking together for the truth."