Donald Carder wears his handgun in a holster as he pushes his son, Waylon, in a stroller at the National Rifle Association convention in Louisville, Ky., in May. Attendees at the convention are permitted to carry firearms under Kentucky's open-carry law. Mark Humphrey/AP hide caption
A marksman sights in on a target during a class for an Illinois concealed carry permit in February 2014. Scott Olson/Getty Images hide caption
Dealing a blow to gun supporters, a federal appeals court ruled Thursday that Americans do not have a constitutional right to carry concealed weapons in public. Al Behrman/AP hide caption
West Virginia's House of Delegates has approved a bill repealing permit requirements for carrying a concealed gun. Pictured here is a display of pistols at a gun shop in 2013. Ed Andrieski/AP hide caption
Two women compare handgun holsters during an open-carry rally at the Texas State Capitol in Austin on Jan. 1. Erich Schlegel/Getty Images hide caption
Open-carry supporters attend a rally earlier this month in Austin, Texas. Erich Schlegel/Getty Images hide caption