Q:So you understood that the CIA didn't even have these documents?
That's correct.
Q:They had heard about them from another intelligence service?
They had a report from their intelligence service, from their field operative, based upon either a viewing of these documents or a third party's having shared with them information relating to the document.
Q:I see. So it's in some ways hearsay, or "We've seen something, but we want to investigate."
That's right. …
And Wilson has subsequently said:
"I never claimed to have 'debunked' the allegation that Iraq was seeking uranium from Iraq."
http://dailyhowler.com/dh072004.shtml