While the benefits of the North American Free Trade Agreement are still being argued, the perils of one of the treaty’s most powerful secrets are beginning to emerge. Bill Moyers Reports: Trading Democracy is the first television investigation of what has been called an "end run around the Constitution." Corporate investors are using the obscure NAFTA provision to challenge laws designed to protect the public health, environmental regulations—and even jury verdicts. The cases are heard not in open court, but before international trade tribunals that make rulings in secret. The program details a system of private justice that is enabling companies to obtain covertly what they have failed to achieve publicly in America’s legislatures or courts. (58 minutes)