President Obama is to release a declassified report today on why intelligence agencies failed to piece together clues about the Nigerian student accused of trying to bomb an airliner on Christmas Day. Obama's national security adviser James Jones tells USA Today that Americans will feel "a certain shock" about what they read. We speak with Susan Page, Washington bureau chief for USA Today.

Nearly 40 years after President Nixon declared the War on Cancer, victory remains elusive. While death rates have been falling, over half a million Americans die each year of the disease and researchers are still unclear on what causes it as well as how to treat it. We'll speak with Dr. Jerome Groopman of Harvard Medical School and the Beth Israel Deaconess Medical Center. His latest book is "How Doctors Think."

The president of Nigeria has been away for more than six weeks and he's believed to be receiving medical treatment in Saudi Arabia. Why the mystery? The BBC's Will Ross reports from Nigeria.

During the 20th century, scientists and futurists predicted innovations such as the flying car, the videophone, weather control and knowledge in a pill. So why didn't they pan out? We speak with Paul Milo, author of the new book "Your Flying Car Awaits: Robot Butlers, Lunar Vacations and other Dead-Wrong Predictions of the Twentieth Century."