Marianne Barisonek speaks with Pulitzer Prize-winning author Tracy Kidder about his latest  nonfiction work: Strength in What Remains, A Journey of Remembrance and Forgiveness.  The book is about a young medical student named Deo who escaped genocidal civil war in Burundi in 1994, immigrated to the United States and returned to his native country to build a medical clinic. To learn more about the work of Deo's clinic, Village Health Works, or to donate, visit them at http://villagehealthworks.org .