We wouldn't want anyone to think that playboy-professor Nouriel Roubini expended all his energy inviting Facebook hotties to join him in St. Tropez , holding soirées at his Tribeca party pad —or giving in to late-night paranoia about the Nazi-financial conspiracy against him . Let us not forget that the Iranian-Jewish roué is also a serious economist, a status confirmed recently by an appearance on the august Charlie Rose Show to discuss the economic crisis. Click for the video. (And that's sure to impress the Facebook ladies.)