There's something about being in front of a live audience that's fun. It's a really interesting, very electric, very alive, and intense experience, and you can't get it anywhere else. And I've been doing it since I was 23, so it's part of my being - it's part of my fabric as a person.
Advocates for a single line of progress encounter their greatest stumbling block when they try to find a smooth link between the apparently disparate designs of the invertebrates and vertebrates.