The spoken essay is a new form that broadcasting is fast developing, and any listeners who are in danger of imagining that this is an instructional talk under the auspices of the Association for the Propagation of Better and Brighter Teeth by Means of the Higher Thought will be relieved to know that it belongs to the former category, and its title bears no very real relation to its subject-matter. Mr. Keown, who gives the talk, is a young journalist.