The billionaire Raj Rajaratnnam received the longest prison sentence on record for insider trading on Thursday, a watershed moment in the government’s aggressive two-year campaign to root out the illegal exchange of confidential information on Wall Street.Judge Richard J. Holwell sentenced Mr. Rajaratnam, the former head of the Galleon Group hedge fund, to 11 years in prison and was also fined $10 million. well what can I say thats what he deserves