It's the Environment, stupid
How do you know that the people running your country are nuts? When they manage, in just three short years, to turn a free-market hyper-capitalist economist into a raging, flaming liberal:
"...in the past environmental crises were local: agriculture might collapse in Sumer, but in Egypt, where the annual flooding of the Nile replenished the soil, civilization went on. Today, problems like the thinning of the ozone layer and the accumulation of greenhouse gases affect the planet as a whole."
I think it's safe to say Paul Krugman's officially on the home team now. Read the rest of his conversion to tree-hugger here.