Not directly relevant, but one should also recognize that there are examples of modern-day American academics who do suffer censure for being outspoken dissiden

Not directly relevant, but one should also recognize that there are examples of modern-day American academics who do suffer censure for being outspoken dissidents -- Norman Finkelstein being an example (http://www.americanradicalthefilm.com/ http://www.americanradicalthefilm.com/).