Hidden-camera investigations in July haven't resulted in changes at this weekend's Westland Mall Gun Show, although a Dayton show has made adjustments. Private investigators posed as buyers at seven U.S. shows, including Westland's, to see whether vendors would sell a gun even if the buyer said he would fail a background check. The report said sellers in 19 of 30 purchases didn't follow the law. Annette Elliott, who promotes the Columbus show with her husband, said... (GunPolicy.org)