1960's. Chic young Southern womenndecorate their coffee tables with copiesnof The New Yorker and Rolling Stone,nwhile John Irving and Erica Jong replacenFaulkner and Eudora Welty in their bookcases.nThe offspring of ardent Trinitariansnnow worship a new trinity: marijuana,nrock music and polymorphousnsexuality. In the name of fun and . . .