<p>The " Dolly Dialogues " serve much the same purpose that the ballet does in an opera?they are a divertissement pure and simple. The winsome, irresponsible "Dolly" picks her steps amid the conversational pitfalls which the adroit " Mr. Carter" spreads for her, with as much dainty sureness as a premiere danseuse, and we cannot but admire and applaud her grace and vivacity. There is no hidden meaning to the "Dialogues " any more than there is to ...