“It was missing a piece. And it was not happy. So it set off in search of its missing piece.” — Shel Silverstein, The Missing Piece — In Shel Silverstein’s classic children’s story The Missing Piece, an incomplete circle slowly rolls along, talking to worms, falling into holes, and enjoying the company of butterflies as it searches for its missing piece. Meanwhile, the Missing Piece is waiting out there, somewhere, hoping the circle will come and find…