U.S. authorities believe a secret mountain bunker in Virginia may have been an intended target of Al Qaeda. It was used by the Federal Reserve Board as a nerve center for recording financial transactions and storing backup data. But in 1997 the Fed gave the cave to the Library of Congress, which uses it to store a priceless collection of old movies. Nice intelligence, Mr. bin Laden.

Anthrax mania is costing a fortune. Thousands of hoaxes, including an October “guacamole” spill in Chicago, have brought teams of investigators to each scene. The cost of each scare has varied, but they add up. A random–and benign–sample: