Did you see someone who really wasn't there? Did you hear three unexplained knocks on your door or window, or when you were alone, did someone whisper your name in your ear. Did a family picture fall off the wall and shatter for no good reason? If you answered yes to any one of these questions, then you may have experienced what is commonly referred to as a forerunner. Forerunners are serious business. And forerunners, in all their forms, are a harbinger...