An Arizona gun store cancelled a purchase made by former Congresswoman Gabby Giffords’s husband Mark Kelly. On March 5th, Kelly visited Diamondback Police Supply in Tucson, selected an AR-15 style rifle, a .45 caliber handgun, and some high capacity magazines, completed a background check and paid for his purchases. Within days, the story (broke nationally) and Kelly claimed that his purchases were made to highlight how easy it is to get a gun. He also added that he intended to turn the AR-15 into the Tucson Police. The story sparked almost 4,000 comments to Mark Kelly’s public Facebook page, many...