I belong to a number of Facebook book groups and with a few exceptions, the folks I meet there are friendly, helpful, courteous and a host of other positive adjectives. But as with most large groups of people, not all are. We all know of whom I speak but just in case, they are the trolls, "know it alls", judgmental and condescending people who hate their lives and want you to share their misery. Eventually they get kicked out or self destruct only to rear up and fire off thei