A Cambridge man wakes to find his home rendered strange, as if everything in it has been moved a fraction of a centimeter while he slept. In an irrational state he flees to the nearby international airport and purchases a ticket, certain that he is outrunning some horribly present danger. At the security checkpoint, the scanner's monitor clearly displays a cylindrical bomb in his carry-on luggage, a bag that he hastily had packed with traveling essentials and has at no point in memory left out of sight. The smiling security officers seem to be waving him through ...