David Harsanyi

We have little choice but to place a certain level of trust in scientists - even when it comes to the model-driven speculative discipline of climate change. And, need it be said, most scientists take great care in being honest, principled and precise.

Finding a 'sacrificial lamb' on whom to tag blame for complicated problems is an important instrument in the toolkit of politicians, because it deflects blame for the nation's economic woes away from their own regulatory lapses, economic mismanagement and coddling to labor unions.