At about 7:30 P.M. on September 8, 1976, Deborah A. Johnson entered a Kmart store located in Madison, Wisconsin, to purchase some diapers and several cans of motor oil. She took her small child along to enable her to purchase the correct size diapers, carrying the child in an infant seat, which she had purchased at Kmart two or three weeks previously. A large Kmart price tag was still attached to the infant seat. Johnson ...