Video: NRA condemn violent video games as 'filthy pornography' The powerful US gun rights lobby went on the offensive on Friday, arguing that schools should have armed guards, on a day that Americans remembered the victims of the Connecticut school massacre with a moment of silence. National Rifle Association chief Wayne LaPierre argued that attempts to keep guns out of schools were ineffective and made schools more vulnerable than airports, banks and other public buildings patrolled by armed guards. "The only thing that stops a bad guy with a gun is a good guy with a gun," Mr LaPierre told reporters, calling on Congress to station armed police officers in all schools by the time children return from the Christmas break in January. LaPierre's remarks, in which he charged that the news media and violent video games shared blame for the second-deadliest school shooting in US history, were twice interrupted by protesters who unfurled signs and shouted "stop the killing."