Greece’s secret loan from Goldman Sachs Group Inc. (GS) was a costly mistake from the start. On the day the 2001 deal was struck, the government owed the bank about 600 million euros ($793 million) more than the 2.8 billion euros it borrowed, said Spyros Papanicolaou, who took over the country’s debt-management agency in 2005. By then, the price of the transaction, a derivative that disguised the loan and that Goldman Sachs persuaded Greece not to test with competitors, had almost doubled to 5.1 billion euros, he said. Papanicolaou and his predecessor, Christoforos Sardelis, revealing details for the first time of a ... (full story)