Back in the early 1980s, Leslie Jean-Robert Pean was in a heap of trouble. Flat broke, in bankruptcy court, he had $10 in a savings account and a whole lot more debts than assets. But in 1989, Pean, an economist, landed a job at the headquarters of the World Bank, in Washington, D.C. By the early 1990s, Pean and his family had bought a big house on 3 acres of manicured grounds outside Washington. "Our dream," the World Bank's mission statement says, "is a world free of poverty”. The only trouble, bank investigators say, is that he wasn't focusing so much on helping the poor as he was on helping himself