Occasionally, something you write provokes a far greater reaction than expected, and that was the case a couple of weeks ago. As some of you will be aware, my father is in hospital. My wife and I returned to the UK for another visit, a prospect she didn’t relish this time, not because of seeing my father I hasten to add, but because we were going to spend the entire week on a motorcycle. For those of you who have never ventured out on two wheels, let me tell you something about it. When you are in a car, you are cut off from the outside world, insulated from the…