MR. STREET'S ' Idle Thoughts ' have for long been one of the most popular broadcast features with country listeners. This week, Mr. Street introduces a new series of autumn farming talks by experts by summarizing the many grave problems with which agriculture is beset. The talks that follow will explain adopted or prospective Government measures, the results of the latest experiments in food distribution, and in general give farmers a service of expert information that aims at being really practical and useful.