[chimera]

Good point. Not to argue ad hominem, but it's helpful to understand that the author's personal situation might influence his opinion on the issue. A tenured professor is probably one of the few positions where one does not have to worry about job loss. Just keep cranking out the lectures and articles, and you're in.

[Taliesan]

You can't seriously argue that Walter Williams has a job because he is tenured, however much you might disagree with him.