The religious cant that will send American troops into battle is perhaps the most sickening aspect of this surreal war-to-be. Bush has an arm-lock on God. And God has very particular political opinions. God appointed America to save the world in any way that suits America. God appointed Israel to be the nexus of America's Middle Eastern policy, and anyone who wants to mess with that idea is a) anti-Semitic, b) anti-American, c) with the enemy, and d) a terrorist.

But I think the real tension lies in the relationship between what you might call the pursuer and his quarry, whether it's the writer or the spy.

I have a theory which I suspect is rather immoral,' Smiley went on, more lightly. 'Each of us has only a quantum of compassion. That if we lavish our concern on every stray cat, we never get to the centre of things.

America has entered one of its periods of historic madness, but this is the worst I can remember.

Most of us live in a condition of secrecy: secret desires, secret appetites, secret hatreds and relationship with the institutions which is extremely intense and uncomfortable. These are, to me, a part of the ordinary human condition. So I don't think I'm writing about abnormal things. ... Artists, in my experience, have very little center. They fake. They are not the real thing. They are spies. I am no exception.

I am still making order out of chaos by reinvention.

I made a series of wrong decisions about moderately recent books, and I've sold the rights to studios for ridiculous amounts of money and the films have never been made. That's the saddest thing of all, because they're locked up and no-one else can make them.