Aliens in Your Science Fiction, Messing With Your Definitions

So there's a new Galactic Suburbia podcast due to be recorded this week, and I have some homework left over from last time! That is:

Dear Tansy,

Howdy! Long time listener, first time emailer!

I just wanted to clarify the question from last night's show. You said that if science fiction was to be innovative and inclusive (was that the second word you used?), it should be broad in its definition. I wanted to know if you thought that "science fiction" as defined not by the genre (ie fiction based ...