Quirky Behavior Frustrates Rational Inference

Steve Coll, Citizens, The New Yorker p. 27 (June 5, 2006):

On that summer morning [of June 7, 2005], three young Muslim men blew themselves up on Underground cars, and a fourth immolated himself on a double-decker bus....

The four men depicted in the report are in some respects unfathomable. When Shezad Tanweer, a talented athlete who was twenty-two years old, bought snacks at a highway convenience store four hours before his death, he haggled over the change. ...