From the author of "Yesterday's Children," an update on her research into her past livesJenny Cockell has always had memories of living before. In her first book, "Yesterday's Children," she described her search for the past life family which had haunted her from her earliest childhood. She remembered living as Mary Sutton, an Irishwoman who had died over 20 years before she was born. She gave an extraordinary account of how she successfully found...