[FBD]

There may not have been large quantities of WMD's, and the scientists may have been bluffing Saddam. But David Kay (in his interview) confirms evidence of active programs going on, right up to the war.

There is a very good reason for anyone who was involved in WMD's to stay mum, if they know anything:

It's called war crimes. The folks that had anything to do with bio/chem agents could well be looking at a death penalty sentence, for the massacre of 20,000 Kurds at Halabja.