I don't like the word 'sabotage',"--a former Goldman Sachs trader admitted. "It's just harsh.... Though, frankly, how else do you make money in this business...I mean, real money." The fundamental motive for financial innovation is not to make the system work better, but to avoid regulation and oversight. This is not a bug of the financial system, but a built-in feature. The president of the US is not a tax avoider because he is an especially...