"60 MINUTES" LISTINGS FOR SUNDAY APRIL 30, 2006

LETHAL AND LEAKING -- The most contaminated piece of real estate in the Western Hemisphere is a site along the Columbia River in Hanford, WA., that the Department of Energy has been trying to clean up for 16 years and has accomplished virtually nothing. Lesley Stahl reports. Richard Bonin is the producer.

PRIORY OF SION -- Is the central theme of the best-selling novel and soon-to-be film "The Da Vinci Code" true as its author contends, or an elaborate hoax? Ed Bradley investigates. Jeanne Langley is the producer.

COLBERT REPORT -- Morley Safer talks to Stephen Colbert, the "fake news" reporter whose Comedy Central program is making waves. Alden Bourne is the producer.