The response to the shooting in Las Vegas has begun. Let's ban some guns. Where does this go? Britain is showing the way. Home Secretary Amber Rudd said it is necessary to ban sales of sulphuric acid and outlaw the sale of such corrosive substances to children after a series of acid and drain cleaner attacks in Europe. Rudd also announced plans to further restrict the sale of knives following an increase in the number of stabbings. Can the banning of sticks and stones be far behind?