When it comes to bonds, the client is conveniently never shown how to settle based on prices. Instead they are taught a nonsensical and more complicated method called yield settlement.

I'd just turned 20 when I began a three-year stint on Citigroup's corporate-derivatives team. I had no work experience to speak of. As my boss said after my interview, I was "f***ing unpolished."

Isn't it amazing how these powerful CEOs, who are paid tens of millions of dollars to know every detail about their company, act as if they just fell off the back of a turnip truck when they come to Congress?

This story is being updated, scroll down for photos The 31-year-old Goldman Sachs vice president charged with securities fraud by the Securities a...