My maternal grandfather was a railroad engineer and a Presbyterian elder. During the 1930s he had three teenaged children. It was his custom on many Saturday nights to invite all the local teenagers into his large living room for a dance. He would hire a little three-piece band and roll back the rugs. Grandfather was thrilled that the teenaged girls would invite him to dance and then would break in on each other. Some of the other elders at the church did not share Grandfather's enthusiasm for those dances. They began to criticize him. Word got back to Grandfather. He went to the next elders' meeting loaded for bear. He said, "I understand that some of you don't like the little Saturday night dances at my house. Well, let me tell you something. I would rather have teenagers in my living r…