From Gun Retort

These are statements or questions demanding the person asked confront an unreasonable bias, admit a base truth, or, ideally,  CommonGround  come to agreement on a foundational common ground. These items (or some of them) should be broken out to a new "Openers" category.

findings nevertheless indicate that millions of U.S. adults annually continue to acquire guns without background checks, often from friends or acquaintances, and disproportionately so in states that do not regulate private firearm sales. http://annals.org/aim/fullarticle/2595892/firearm-acquisition-without-background-checks-results-national-survey