Making the World a Better Place

Okello Sam is a former child soldier who founded a high school in northern Uganda for refugees, orphans, and former child soldiers; model Christy Turlington Burns founded Every Mother Counts to improve the state of maternal health around the world. They and 10 more are profiled in "The Visionaries 2012": http://www.cntraveler.com/ecotourism/2012/09/visionaries