Here is a brief excerpt of the debate from the cross examination:
Here is the full debate on you-tube:
This is a more technical debate since Greg Stafford gives a more detailed defense of the Jehovah’s Witness view of Christ, although he has currently formed his own movement since he denies other JW beliefs.
The complete debate can be purchased here:
Also here is a blog post from aomin.org responding to Greg Stafford’s objection to John 12:41 not referring to Isaiah 6: