More from CKM on 4/31:All You Can Afford:Deepwater Horizon is an object lesson in why the argument over peak oil does not matter. Whatever oil is left is hard to get at –miles into the ocean floor under a mile of water or in the Arctic (if, if... ) It is hot, acidic and under immense pressure. That's today. It'll be harder and more expensive tomorrow. And that's the key word: expensive. As in bankrupt the economy that 's based on it expensive. Doesn't matter how much oil there is if we can't afford it.