David Kay

"The Germans certainly - the intelligence service believed that there were WMD. It turns out that we were all wrong, probably in my judgment, and that is most disturbing."

"I also believe that it is time to begin the fundamental analysis of how we got here, what led us here and what we need to do in order to ensure that we are equipped with the best possible intelligence as we face these issues in the future."

"The result is - document destruction - we're really not going to be able to prove beyond a truth the negatives and some of the positive conclusions that we're going to come to. There will be always unresolved ambiguity here."

"And like I say, I think we've got other cases other than Iraq. I do not think the problem of global proliferation of weapons technology of mass destruction is going to go away, and that's why I think it is an urgent issue."