murray returned after several people were ejected by the. at a nearby drexel university,er two days ago he urged the disruption of murray's speech. he joins us tonight from mexico city. thank you for coming on. i wonder if you see something inconsistent with someone who teaches at a university dedicated to the idea of the open exchange of ideas, calling for ideas he disagree with to be shut down. >> we should be clear that universitiesit are actually spas for rational ideas, for arguments based in fact andnd evidence. charles murray has never based his arguments and evidence or fact. he has never passed any kind of rigorous academic examination of those ideas. he does not publish with academic presses. he's had his research paid for by right wing think tanks. they paid for him to write books like "the bell curve." they paid for those books to be published and then they actually paid for journalist to read and