A few weeks ago there was a discussion about this debate, where most people predicted that it wouldn’t be aired. It was actually possible to watch it live last night and you can watch again on Youtube. There’s also a summary here. Basically it went as you might have guessed: Ken Ham kept referring to the Bible as evidence and continued to use arguments that I remember from Creation magazine 20 years ago, while Nye focused a lot on the danger of allowing creationism to infiltrate science education.
