 What is the relationship between Caswell and the protagonist?
He bit off each word with great restraint: "Sociology is the study of social institutions, Mr. Halloway." If they got the idea that sociology professors are giving advice and guidance—No, we have to stick to brass tacks and leave Washington out of this. Such simple questions as, 'Is there a way a holder of authority in this organization can use the power available to him to increase his power?' provide the key. I shook hands and left him standing there, sure of his place in the progress of science and the respect of his colleagues, yet seething inside because I, the president and dean, had boorishly demanded that he produce something tangible.
 One is the other's boss
 They're coworkers  One is the other's boss  They're old friends  They're brothers