Dr Hill herself spent years trying to work out how prairie mole crickets, a highly territorial species of burrowing insect, manage to space themselves out underground.
Mr Greenspan's presence seems to hover over every cabinet meeting, and he turns out to have a mole in Mr Reich's own department: a woman called Cindy, mistaken by Mr Reich for Mr Greenspan's piece of crumpet, who is feeding the Fed the weekly figures on applicants for unemployment insurance.
