Each morning in Boise, Idaho, as many as 50 temporary employees of the First Security Bank enter a suite of six rooms and seat themselves at tables topped with small piles of thin strips of paper. They delicately sift and poke through the piles, plucking out individual strips and pasting them on pieces of cardboard. Nobody turns on the air conditioners; the breeze might scatter the strips. The workers labor intently for six hours daily through the heat and tedium, picking and pasting like finalists in a jigsaw puzzle Olympics.
Three weeks ago, the bank's janitor accidentally put a box...