My family knows that I have a proclivity for pranks. In fact, there is a sense of puzzlement among some within the family as to why a man in his mid-sixties is amused by such frivolity. I don’t have an explanation for this. I have loved shows like “Candid Camera” and more modern equivalents that have taken the place of that show. Anyone who lives in the US knows that one of the irritations that one has to put up with is telemarketers who call, often at the most inconvenient times. In days gone by, this used to happen frequently but after legislation which allowed the registration of one’s phone…