PAUL JOHNSON: Why America Will Stay On Top. “‘Of course I worry about America,’ he says. ‘The whole world depends on America ultimately, particularly Britain. And also, I love America—a marvelous country. But in a sense I don’t worry about America because I think America has such huge strengths—particularly its freedom of thought and expression—that it’s going to survive as a top nation for the foreseeable future. And therefore take care of the world.'”