Ian Lustick

International peace and security depend on certain taboos that are easily recognized when they are broken. It can be more important for an intervention to take place because nuclear or chemical or biological weapons are used as opposed to just measuring how many people are killed.

Leverage is great when it works, and when it doesn't work, it creates a lot of issues. So I think if you limit the amount of leverage that people can borrow, or that banks can borrow, I think you'll find that you'll have a lot less issues going forward.