This may not be the funniest of the What's My Line? mystery guest appearances, but I find it one of the most pleasant. First off, there's Sophia Loren: gracious, gorgeous and glowing with star appeal. I've always loved Loren's positive, generous attitude, and she exudes that quality here. I also especially love the panel in this clip. You just don't see people who possess this kind of elegance, intelligence and generosity of spirit on television anymore. My only complaint: I wanted to hear more from guest panelist Johnny Carson!