Wow! Well, thanks for that. I wound up listening to all of their vidoes. "The Chain" sent a shiver up my back. I mean, for real.
"From our orbital vantage point, we observe an earth without borders, full of peace, beauty and magnificence, and we pray that humanity as a whole can imagine a borderless world as we see it, and strive to live as one in peace."
Astronaut William C. McCool RIP, January 29, 2003 - Space Shuttle Columbia