Texas financier R. Allen Stanford is accused of cheating 50,000 customers out of $8 billion dollars but despite raids Tuesday of his financial empire in Houston, Memphis, and Tupelo, Miss., federal authorities say they do not know the current whereabouts of the CEO. The Securities Exchange Commission alleges Stanford ran a fraud promising investors impossible returns, much like Bernard Madoff's $50 billion alleged Ponzi scheme. Investigators Tuesday shut down and froze the assets of three of the companies Stanford controls and they say the case could grow to be as big as the Madoff scandal. Like Madoff's clients, Stanford's investors...