Famously, Franklin Delano Roosevelt saved the United States banking system during the first seven days of his first term. And what did he do on the eighth day? "I think this would be a good time for beer," he said. Congress had already repealed Prohibition, pending ratification from the states. But the people needed a lift, and legalizing beer would create a million jobs. And lo, booze was back. Two days after the bill passed, Milwaukee brewers hired six hundred people and paid their first $10 million in taxes. Soon the auto industry was tooling up the first $12 million...