"Is there anybody there?" said the Traveller, Knocking on the moonlit door. . . .
Radio is like Walter de la Mare's night-foundered traveler: it is never quite sure just who hears it. But last week radio found out several significant things about its unseen listeners.
Daylight Saving. Radio programs have always slumped in spring, presumably because the annual change to daylight saving time confused millions of listeners who couldn't locate their favorite programs. C. E. Hooper, Inc., announced that this May (with no changeover from War Time to D.S.T.) listening was down only...