This article by Rachel Gotbaum for The World originally appeared on PRI.org on February 18, 2016, and is republished here as part of a content-sharing agreement. 
Makala hii iliyoandaliwa na Rachel Gotbaum kwa ajili ya The World kwa mara ya kwanza ilichapishwa kwenye tovuti ya PRI.org tarehe 18 Februari, 2016, na inarudiwa kuchapishwa hapa kwa makubaliano ya kushirikiana maudhui.