Here at Real Time we are beginning to dig into examples of secret data--data the government collects, that could affect our health and safety, but we, the public, can't see.

The U.S. Food and Drug Administration (FDA) is a treasure house of data on the safety and efficacy of prescription drugs. Before a drug company can market a product in this country, it must first submit a plan to test the drug. Agency scientists review and analyze the results once they are submitted. Yet it's not always easy to get your hands on this information.

"One major ...