The terms of the gun debate have been set so firmly and for so long that any attempt to venture past the slogans employed by the respective sides is typically met with derision. I suspect that, for many, there is very little thinking about this topic anymore; what is called argument is really just posturing or strategizing. Where there are no genuine questions being asked, there is no thinking. The participants in the debate come largely from two camps: on one side there are the gun enthusiasts for whom guns are an expression of identity and who therefore regard any...