Is a CEO with a great track record the most dangerous man in the world?

With Bank of America (BAC) shareholders staring at massive losses as the company battles for its survival, they must be asking themselves: How the heck did we get into this mess?

The short answer, of course, is Ken Lewis, the CEO who embarked on the two acquisitions that have brought the company to its knees: Merrill Lynch and Countrywide Financial.