Universities should provide a broad education, and there are interesting and important experiences that could be shared by the likes of Snowden, even if it isn'

Universities should provide a broad education, and there are interesting and important experiences that could be shared by the likes of Snowden, even if it isn't strictly speaking their own scientific research. That said, the person must be able and willing to discuss a bigger picture than just their personal politics, which is why I specifically picked Snowden but excluded Assange, Trump, and Bannon in the above. That's basically your good faith distinction.