Dalrymple has in the past diagnosed Tony Blair as suffering from delusions of honesty, but now he wants to rethink it. After all, his condition may not meet the last requirement of a delusion:

The only question that remains, then, is whether his fixed false belief is incongruous with his culture. Here the matter is slightly more difficult to decide: after all, he won three elections and colleagues supported him for many years. And he is by no means unique in the political class to suffer from this delusion…