GM   Wiltmoor hospital   Just outside London   September 1st   "Just a second ma'am..ill buzz you through" said the nurse. He was dressed cleanly and causally, middle aged but fit, with a pleasant smile.    "Your father is here already..." he explained kindly as he lead Lady Dawn Farrington through the clinical and friendly corridors of Wiltmoor hospital.    It was expensive, to say the least. But it was money that showed in the high level of staffing, expertise of said staff, and ar