Where all think alike no one thinks very much. —WALTER LIPPMANN Ovex the doorway of the ancient Guild- hall, in which aldermen of London hold court, are these words: Audi Aliteram Par- tem—hear the other side. Each month an exchange-of-opinion on some timely question is brought before the 145,000 business and professional men who subscribe to THE Rotarian Macazine. The articles are presented impartially. They are from persons eminently qualified to speak. They deal with problems which concern citizens who are influential in shaping the opinion of their communities. Readers of THE RoTariAN are organized into local groups called Rotary clubs, of which there are some 3,000 in the United States and Canada. It is significant that more than 85 per cent of these clubs report they not infrequently utilize RoTARIAN articles— especially exchanges-of-opinion — in club speeches and discussions. Since the series of symposiums was in- augurated, the following have appeared: