Nassim Nicholas Taleb

If you are an Arabic-speaking, Greek-Orthodox going to a French school it makes you deeply sceptical if you have to listen to three different accounts of the Crusades - one from the Muslim side, one from the Greek side and one from the Catholic side.

Whenever you have dynamic interactions between 300 million people and the American economy acting in really complex ways, that introduces a degree of almost chaos theory to the system, in a literal sense.

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.