Speculators are betting against the euro, banks are taking incalculable risks and the markets are in turmoil. Three years after the Lehman Brothers bankruptcy, the financial industry has become a threat to the global economy again. Governments missed the chance to regulate the industry, and another crash is just a matter of time. By SPIEGEL Staff.

The enemy looks friendly and unpretentious. With his scuffed shoes and thinning gray hair, John Taylor resembles an elderly sociology professor. Books line the dark, floor-to-ceiling wooden shelves in his office in Manhattan,...]]>