When New York's massive middle-class apartment complex Stuyvesant Town-Peter Cooper Village was sold in 2006, it was the biggest real estate deal in history: $5.4 billion — most of which came from outside investors. But from Day One, the purchase had problems. In April we talked to the author Charles Bagli, who chronicles the sale and its aftermath in Other People's Money: Inside the Housing Crisis and the Demise of the Greatest Real Estate Deal Ever Made.