Rumour is the most primitive way of spreading stories, by passing them on from mouth to mouth. But civilised countries in normal times have better sources of news than rumour. They have radio, television and newspapers. In times of stress and confusion, however, rumour emerges and becomes rife. At such times different kinds of news are in competition : the press, television and radio versus the grape vine. Especially do rumours spread when war requires censorship on many important matters. The customary news sources no longer give out enough information. Since the people cannot learn through legitimate channels all that they are anxious to learn, they pick up 'news' wherever they can and when this happens, rumour thrives. Rumours are often repeated even by those whom do not believe the tales. There is a fascination about them. The reason is that the cleverly designed numor gives expression to something deep in the hearts of the victime- the fears, suspicions, forbidden hopes, or daydreams which they hesitate to voice directly. Pessimistic rumours about defeat and disasters show that the people who repeat them are worried and anxious. Optimistic rumours about record production of peace soon coming paint to complacency or confidence- and often to overconfidence. The author suggests that rumours usually-