Astrophysicist Neil deGrasse Tyson interviewed by Stephen Colbert 2010, at Montclair Kimberly Academy. It's 90 minutes of science, society and the universe - and worth every minute. Interview starts just past the 6 minute mark (although the introductions are fun, too).
Originally posted at haydenplanetarium.org/tyson/
mirrored at YouTube
Dr. Tyson's psa for PETA
full PETA article