Aired October 1, 2005 - 21:00 ET THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED. LARRY KING, HOST: Tonight, Jeni Stepanek -- her unforgettable, inspirational son Mattie Stepanek, the best-selling poet and peacemaker, died in her arms last year before he could even turn 14. She's keeping his legacy alive. Plus, gorgeous exercise guru Denise Austin says you can eat carbs and lose weight. All that and lots more, next on LARRY KING LIVE. (BEGIN INTERVIEW) Great pleasure to welcome to LARRY KING LIVE a good friend, great lady --...