Academic Freedom Post-9/11: How Have Outspoken Professors Fared?

This essay by Robert M. O'Neil covers the ground of outspoken and controversial scholars from the torture-condoning John Yoo of Berkeley Law and the Bush administration to Sami al-Arian of the University of South Florida and Ward Churchill of Colorado. It'll give you a nice overarching perspective and record:

While most outspoken professors based in the United States have fared far better than one might have expected after the September 11 terrorist attacks, the same could hardly be said of controversial foreign scholars who seek to teach and to address academic gatherings in this country.