Not exactly a new story
Sorry, Raoul... However, it's no less scary.
GooglingTM the terms "nuclear+weapons+material+missing+Iraq" brought me back nothing newer than last November. Here's a representatie sample:
Fox News, 21 May 2003
Jane's International Security Digest, 29 May 2003 (non-subscriber abstract)
(London) Sunday Herald, 3 Aug 2003
USA Today, 10 Nov 2003