This essay was originally published in the Journal of Philosophy in 2009, and then published in The Chomsky Notebook
(highly recommended - http://www.amazon.com/Chomsky-Notebook-Columbia-Themes-Philosophy/dp/023114475X/ref=sr_1_1?ie=UTF8&s=books&qid=1281548492&sr=8-1).
It is an awesome summary of Chomsky's take on the scope and limits of our knowledge, especially concerning the philosophy of mind. You should read this essay not only if you like philosophy, but if you are a person curious about the world around you, and what has been said about it at the highest levels of inquiry.
For some context, try to get ahold of some works by Richard Popkin, some lectures on the Enlightenment (see TTC Birth of the Modern Mind). Also check out this article, further explaining the roots of Enlightenment epistemology: http://www.doxa.ws/Theology/Liberal.html
Also check out the conference hosting Noam in France May 2010 - the first time Chomsky has visited in 30 years, I believe. All of the speakers and Q&A's are available on their website:
Aug 11, 2010, 20:10:06
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14m 41s ago