repeating "no X has been found" again and again is hardly debunking. *So far* nothing has been found. This does not imply that it is not there, simply because Saddam hasn't actually proven that he got rid of all his weapons. We know what he had, but we don't know what happened to all of it.
In fact, given Saddam's long list of lies and deceptions, along with his regime's secrecy, it is quite conceivable that he did indeed hide some of his WMDs. Can I prove this? Nope. However, can anyone prove the WMDs are all gone? No again.
And no, "haven't found anything" isn't proof of the non-existence of the WMDs. It just proves we haven't found any *yet*; it says nothing at all about any future discoveries or lack thereof.
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