Oct 14: Stocks for the long run

October 14 2009: Jeremy Siegel is Russell E. Palmer Professor of Finance at the Wharton School at the University of Pennsylvania. But perhaps he's best known for his 1994 book 'Stocks for the Long Run', in which he explained why he believes buying and holding stocks is the best attitude towards investing. Following last year's market crash, John Authers asks him whether he got it wrong.