Science Saturday is pretty broad in what can go there. Creationists aside, what would you find interesting as a topic or a guest to appear there from one of the standard interviews?
Personally I would be very interested in someone who was up to date on some of the latest advances in battery technology. They are getting much better, and while there is nothing show stopping on the market yet, it seems there may
Aside from that, it would be great to hear someone covering a broad swath of the material sciences. Physics/biology related topics often get covered, but materials science touches it all. It spans virtually every field, and some of the new meta materials we can create now, and new products and tolerances we can craft are really interesting to read/hear about.
What about you all, anything you would like to see covered, anyone specific interviewed?