A very wise libertarian politician in Melbourne, Australia, said to me once that the most dangerous thing is for all the guns to be in one set of hands. Over concentration of gun ownership in government run police forces in Australia leads to police arrogance and incompetence. 7 News reported yesterday about an incident in New South Wales: "Two police officers have been charged with assaulting a 92 year old man who suffered a broken arm and serious bruising when they tried to arrest him. It happened in January but the two constables were only stood down today. It's already...