Click here to access article by Chris Spannos from Crikey (Australia).
Although the author doesn't offer any final answer to the question posed in the headline, but he provides numerous pieces of evidence that indicate the affirmative.
My own position based partly on my experience at a university and the reading of the experience of others (sources like Disciplined Minds by Jeff Schmidt) clearly and emphatically answers this and a more general question in the affirmative: does US academia act to discourage anti-capitalist ideas or anti-Empire material? This is one part of my theory that the ruling capitalist class has infiltrated their ideologists in every sector of society: mainstream media, entertainment, education, and most of all in the political institutions of the nation.