The lady knows how to make an entrance. On New Year's Eve, 1972, she was borne onstage at Manhattan's Lincoln Center in a sedan chair with the drapes closed, one leg peeking through to salute the audience; at midnight she returned in a diaper as Baby 1973. She has emerged from a giant mollusk in a Polynesian bikini; walked on in a cunning knee-length frankfurter costume, mustard streaked down her front; raced across the proscenium in a mermaid's spangled fin and a motorized wheelchair; wowed crowds with her renowned mammary-balloon ballet. So what can she do for a 1987 encore? Strut...

