David Marion has been addicted to everything from Rice Krispie bars to Heroin, hookers to slot machines. He made tens of millions of dollars and gambled it all away. He lost his only wife to divorce, his two daughters for a time, and his extremely successful brokerage firm to bankruptcy. And eventually, he lost his freedom, too, when he was indicted and sentenced to five years in federal prison for mail fraud and money laundering, all because of his...