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The Dreamers and Survivors of the Pine Ridge Reservation
Diane Sawyer spent a year reporting on life in one of America's poorest counties
Diane Sawyer on the Pine Ridge Indian Reservation
Diane Sawyer visiting the neighborhood of Tashina Iron Horse, 5, on the Pine Ridge Indian Reservation. Tune in Friday at 10 p.m. ET for a special "20/20" with Diane Sawyer, "A Hidden America: Children of the Plains" (Jill Belsley/ABC News)
