The following article provides (incidently to its main theme) more info and illumination on Chomsky's intellectual background than anything else I've come across on the web. You'll need to get the full text, which is not available at the original source. See message #14 for an updated link:
Chomsky and the Jews (intro to Partners in Hate: Noam Chomsky and the Holocaust Deniers)
or just go to the complete article directly: