With all its wild beasts and exotic imagery, the book of Revelation is often perceived as either unfathomable - and so politely ignored - or hypnotic - and thus offering a enticing escape from maudlin reality. This week's text from Revelation is no exception. Some will read it and hear only a "pie-in-the-sky-by-and-by" theology which has nothing to do with our present day lives. Others will read into it a precise blueprint of the HolyCity - making all ongoing attempts at improving our moral standard of living a futile exercise. But John's long-distance vision of a New Jerusalem can be focused into one basic concept. What John envisions is "home" - a word so layered with meanings and emotion that it would in itself require another six visions to explain all the inferences and nuances the te…