Neil de Grasse Tyson, that is. For an hour and twenty minutes. In one of the best interviews about anything I've ever seen, Stephen Colbert and the astrophysicist chat about the universe, our society, science education, and even James Cameron.
Colbert: Is knowledge always a good thing?
Tyson: I have to say yes.
Tyson: Because it empowers you to react, and possibly even do something about it, if something needs to be done.
Tyson: Some of the greatest poetry is revealing to the reader the beauty in something that was so simple you had taken it for granted.
Also, The Most Amazing Fact Ever (Tyson).