UK Prime Minister and US President George W Bush stand behind a picture of Osama Bin Laden
Should we be worried about the threat from organised terrorism or is it simply a phantom menace being used to stop society from falling apart?
In the past our politicians offered us dreams of a better world. Now they promise to protect us from nightmares.
The most frightening of these is the threat of an international terror network. But just as the dreams were not true, neither are these nightmares.
In a new series, the Power of Nightmares explores how the idea that we are threatened by a hidden and organised terrorist network is an illusion.