This is why it makes sense to argue about different theories. It’s one thing to have a “fact” staring you in the face. For instance, there are many times more telephones and TV sets per head in Japan...

This is why it makes sense to argue about different theories. It’s one thing to have a “fact” staring you in the face. For instance, there are many times more telephones and TV sets per head in Japan than in the 50-plus nations of the African continent—but how did that happen, and what does it mean?