Actor and humanitarian Mia Farrow walks with a Darfuri boy outside the Oure Cassoni refugee camp along the Chad//Darfur border, in August 2007.... Show moreActor and humanitarian Mia Farrow walks with a Darfuri boy outside the Oure Cassoni refugee camp along the Chad//Darfur border, in August 2007. Photograph by Ruth Messinger. Show less