 If you've got an apocalyptic regime like Iran's might be, for instance, that's just unthinkable. But we have to think about it. Absolutely. We don't have to, and not at bedtime. But somebody ought to be thinking about it. So I was reading that before I went to bed earlier when I was walking the dog. I had been listening to the new Cold Wars of David Sanger book, and he was going through the part of...