Notice that he does a neat little switch there. He talks about Princeton, then he says "As a professor", then he talks about Princeton again. He's a professor a

Notice that he does a neat little switch there. He talks about Princeton, then he says "As a professor", then he talks about Princeton again. He's a professor at George Mason. I think anyone can figure out why he used Princeton rather than the place he works without actually stating the name of his employer.