He flat-out refuses to debate creationists, not Christians. Sure, he may choose not to debate specific Christians, but he doesn't hold back from arguing with them as a whole.
To take a recent example, he debated Rowan Williams (ex-Archbishop of Canterbury) in my city just a couple of weeks ago.
To take a recent example, he debated Rowan Williams (ex-Archbishop of Canterbury) in my city just a couple of weeks ago.