Nowadays, that might not even be enough.....
Let's be clear, Saddam Hussein did have WMD's and they were not all destroyed. This stuff will be (I think has been) found and the final collected list will blow most people away. You can call it faith, but that's what I believe.
As far as the persistent but unverified reports are concerned, and not to be crude, but the closest analogy that comes to mind involves the color blue and a pair of small spherical objects. It may be a painful process to go through, but personally I expect to be very satisfied when it is finally over.
Didn't the Pope come down on Bush and Blair?