We know perfectly well that concerted behavior by groups and suggestive remarks by authority figures can affect the behavior of an individual.
According to most on the right, however, what we must not do is seriously consider the possibility that concerted behavior by groups and suggestive remarks by authority figures might have affected the behavior of an individual.
Side Note: No, this does not prove that "toxic rhetoric" caused Jared Lee Loughner to shoot Gabrielle Giffords and so many others. That's hardly the point, is it?
