Radio: The Magic Carpenters

From the pitcher's mound the ball swooped in toward the plate in a lazy series of loops and parabolas, whooshed on past Eddie Robinson, clean-up hitter for the Chicago White Sox. Batter Robinson had never seen anything like it. Neither had thousands of viewers of last week's Garroway-at-Large (Sun. 10 p.m., NBC-TV). But they have grown to expect such gimmicks in a show that has always scored high in imaginative camera tricks.

One week it was a tree bursting into full growth from an acorn planted a moment before. Another time it was a...