KFYI #57: Terraforming

Recent news about Mars leads down the inevitable path to the following question: can we terraform the planet?

Remembering that we're a science fiction show and not a science, we'll approach the topic from the point of sci-fi. We'll examine how terraforming has been dealt with in books, movies and television-- from the good to the bad.

And what about "reverse" terraforming, or "alien-o-forming", as some might call it. The Earth looks like a pretty cozy place. If it wasn't for all that pesky oxygen...