Hi Allen,
Here are 5 links I think you would be very interested in seeing. They all relate to this thread.
https://www.youtube.com/watch?v=b7rYRGbsMW0
https://www.express.co.uk/news/weird...deGrasse-Tyson
Neil Tyson talks about UFOs and the argument from ignorance
https://www.youtube.com/watch?v=9BRDCxNEuyg
https://www.youtube.com/watch?v=JC49HUhibFQ
Neil deGrasse Tyson: Where Are the Aliens?
https://www.youtube.com/watch?v=O7ctfSIzeFI
And here is another link on the topic (which I just found).
Neil deGrasse Tyson - Where are the aliens?
https://www.youtube.com/watch?v=zQrfh7PyrbM
By the way, have you read any of the comments at the bottom of that article Richard Meyer linked to? I found many of them compelling.