Yet the part about the underwear bilking may prove what happens when a smart guy who is dumb enough to get embroiled in insider trading is sent to jail for 70 months -- he's got too much time in the prison library to review his own case (and he's probably pretty jealous of those on the outside able to watch movies in hotel rooms while in their silk underwear). It was a busy week in the world of insider trading, too. Goldman Sachs ( GS ) CEO Lloyd Blankfein made for the biggest white collar crime headline, when he took the stand in the case against Galleon Group founder Raj Rajaratnam. Blankfein testified that former Goldman Sachs director Raj Gupta violated the investment bank 's confidentiality policy in passing on information to the Galleon Group manager.