Avon Pim V

. and rival cereals. The ad faded in on a deserted fourth- or fifth-grade classroom, a scene Saturday-morning viewers of The Bugs Bunny/Roadrunner Hour and The Drac Pack could readily identify with. The Sharp Cereal Professor was wearing a suit, a V-necked sweater, and a shirt open at the collar. Both in looks and in speech he was mildly authoritarian; Vic and Roger had talked to some forty teachers and half a dozen child psychiatrists and had discovered that this was the sort of…