resident Barack Obama and his fellow progressives like to talk about "gun violence," as if it guns themselves stroll about American cities and commit acts of violence, unassisted by human beings. The silly term is meant to hide the obvious fact that it is indeed criminals using those guns, who comprise the problem, not the firearms acting alone. To deflect attention from terrorists, including Islamic terrorists, whom the president urgently feels must not be named, seems even more important to them. It took the Administration days to fully admit what everyone knew: the mass shooting in San Bernardino was...