epa09979968 A detail view of a Springfield Armory gun is seen during the National Rifle Association's convention at the George R Brown Convention Center in Houston, Texas, USA, 27 May 2022. Protests are expected outside the convention which is being held only a few hours away from Uvalde, Texas where 21 students and teachers were killed by an 18-year-old gunman who entered their elementary school. EPA/AARON M. SPRECHER