The notion that falling stocks are penance for an economy built on indebtedness is overblown. There’s nothing intrinsic in the world economy that has lost its productivity. The “Wizard of Wharton,” Jeremy Siegel, diagnoses the causes of the current crisis and the prospects for recovery. As a renowned professor of finance at The Wharton School and one of the world’s keenest minds, Siegel is a regular commentator on major news outlets and a columnist for major financial publications. With an unshakable belief that brighter days are ahead for Wall Street, he will share his insights on the latest financial news and what’s in store – not only for the Street, but for investors and businesses as well.