The Chinese have a long history of slaughtering each other without bothering their neighbors.

Success looks like you sitting here pretty confident that an armed brigade isn't going to come pouring in here and blow your head off. Which I don't think is your major concern. Therefore, the United States' foreign policy is successful.

If you go through the list of things that are not possible you're left with a very finite amount of possibilities. The fancy name for this is constraint theory. It's a nonquantitative model, but it's a field of mathematics.

Well what are our geopolitical objectives? First, that North America be peaceful, prosperous, dominated by the United States. Second, that no nation be able to approach the United States militarily ... Those are the goals. It's very simple. We achieve that by making certain that all conflict takes place in the Eastern Hemisphere so we don't have conflict here.

Constraint theory defines for you what outcomes are possible and what outcomes are impossible. It also eliminates wishful thinking.

When I get asked the question, "Do I want to loan you money?" I want to know, how much do you earn? How much do you owe? What is your net worth? When people talk about countries for some reason they only ask how much did you earn and what's your debt?

Wars are times of intense technological transformation, because societies invest - sometimes with extensive borrowing - when and where matters of life and death are at stake.