WE hear constantly from spokespersons for our various security services about how they are forever saving us from terrorist plots. They may be right, but the problem is we only have their word for it.
And, let's be honest, this is the same bunch that brought us Saddam's weapons of mass destruction and the "dirty dossier".
So we have a real problem: who and what do we believe?
Why do we take their word when a generally sceptical public usually regard any politicians, or similar establishment figures, as inveterate liars?