Outraged traditionalists (there seems to be no other kind) write books saying it means the end of political history as we have known it, and thus of reason, freedom, footnotes, and civilization. Symposia are convened, classes taught, talks-like this one-given, to try to sort the matter out. There seems to be a quarrel going on.But a shouting in the street, it's rather hard to make out just what it is about.