A slide show may bring back pleasant memories of a trip for the overseas traveler,but friends and relatives are often bored with the pictures. Cousin Tillie cannot understand why traveling is so much fun. She has never been more than a hundred miles from home. The colorful costumes of a folk-dance festival are boring to Mr. Haplin because the slide is a blur of red and blue. Mrs.Anderson does not enjoy the slides of foreign national monuments. The slides only remind her that she does not have enough money to go anywhere.