Some time after I bought my first gun, I got a robocall from the National Rifle Association, asking me to join. After the customary “Please stay on the line …” from a pleasant but earnest voice, I recoiled from the barkings of an angry-sounding man: “Did I know that Barack Hussein Obama and European leaders are meeting on American soil right now, at this very moment, to plot the confiscation of my guns?” The caller continued with his insinuations of an imminent United Nations plot against America, but before I could be handed off to a live operator, I hung...