Sheep Special - America's Heartland: Episode 911

Reporter Sarah Gardner says that sheep have been a mainstay of agriculture for thousands of years. Used for food and fabric, sheep are an important agricultural commodity in many parts of the world. We head for Arizona's badlands on an unusual sheep drive. Meet an Idaho family raising award winning sheep. Sarah tests her wool wrangling abilities at a Tennessee sheep shearing school and we'll travel to Nevada where wooly white animals help prevent wildfires.