 Regions which it knows to be at the core of American interest, like the Middle East, because they know that there'd be a nuclear war if they did. And in fact, though, we constantly talk about defense of some region against the Soviet Union. If you really sort of unpack those remarks, it turns out that we're really talking about defense against the indigenous population and in the Middle East against European intrusion. The Europeans are real rivals in the Middle East. Russia is not.