I don't want this to degenerate into a political discussion.
I admire Tyson's ability to make difficult scientific concepts accessible to the popular audience. I also admire his healthy skepticism.
That said, when he ventures out of his field of expertise, he sounds like just another talking head, naive at best and usually self-serving.
When Mr. Tyson once smugly asked, "Why are there no borders in space?" (implying our borders here on Earth are meaningless), I just shake my head. I am very thankful that my relatives were able to escape the borders of fascist Europe during the 30s and 40s.