My theory, for what it's worth, Is that Wilson knew of the docs before British and American intelligence did. He said so himself, then he backtracked. That's one of Wilsons "lies" so often cited. That he said the docs were obviously forged when there was no way he could have known about them. I say he did know about them.
That's what I think as well and is what put me on his trail. The big problem is trying to see the forest among all the trees.