I suspect Professor Rabban is right in saying that we have more than a semantic dispute. But it is difficult to identify our areas of substantive disagreement with any precision because of a major difference in the meanings that each of us ascribes to certain key words and phrases. The essence of my argument is as follows: What I call the traditional American conception of academic freedom justifies professional autonomy for faculty members as a means of furthering certain academic values. But the mechanism of faculty autonomy fails to protect these traditional academic values in the contemporary context of externally sponsored university research. In defining the terms of academic freedom and in articulating its underlying justification ...