Ghost LightBy: Frank Rich There is a superstition that if an emptied theater is ever left completely dark, a ghost will take up residence. To prevent this, a single "ghost light" is left burning at center stage after the audience and all of the actors and musicians have gone home. Frank Rich's eloquent and moving boyhood memoir reveals how theater itself became a ghost light and a beacon of security for a child finding his way in a tumultuous world. Rich grew up