Despite clear demonstrations of the ease with which anonymous weapons transactions can occur online — including ties to mass shooting incidents — the issue has been largely sidelined during the political debate. After all, the "gun show loophole" — the shorthand expression for exempting a number of gun buyers from background checks — is much more than a gun show loophole. The image of two guy shaking hands to finalize a sale in a crowded, well-lit conference... (GunPolicy.org)