This article by Jason Margolis for The World originally appeared on PRI.org on December 9, 2015, and is republished here as part of a content-sharing agreement.
Aquest article de Jason Margolis per The World va aparèixer originalment a PRI.org el 9 de desembre del 2015 i s'ha tornat a publicar aquí com a part d'un acord de contingut compartit.