He's written a book about Jesus Christ, and he is Muslim. That's about as far as the Fox News anchor in this clip got. Aslan came loaded for battle though in this one-sided smack down of Lauren Green on Fox News' program "Spirited Debate".
Nothing debatable about this. Lauren did little preparation for a religious scholar. Aslan was much more calm than I would have been.
Here is a link to the video. I can't get it to successfully embed.