It appears that those who know about the urgent arrival of driverless cars say it’s going to be an awful shock to us when they materialize in showrooms in as soon as four years. It quotes an expert of some sort, Paul Godsmark, as saying we have to “get sub-optimal humans out of the equation.” That’s right Paul. In fact, self driving cars are too good for people. Make people walk and maybe bring the cars coffee. Are we still perimitted to make coffee? Rob Drinkwater