Before dawn one day last week, a program director and six technicians from KDYL-TV parked their mobile unit in the backyard of the County General Hospital in Salt Lake City and set up telecasting equipment in the infirmary's amphitheater. At 7 o'clock, when the sun had barely risen and the station's regular viewers were not expected to have reached for their selector knobs, Dr. Robert S. Warner stood before a camera and explained that the upcoming program was intended for doctors only. However, there was no way to keep the general public from watching if it wished.
The program was the first...