On 8/13/09 Dakota Midday presents a documentary feature on the history of the Sioux Falls stock yards followed by host Paul Guggenheimer's interview with Martin Beutler, Ranch Economist for the South Dakota State University West River Ag Center looking at the future of livestock sales. Then Paul interviews Elizabeth Gould and Paul Fitzgerald authors of the book "Invisable History: Afghanistan's Untold Story." They began covering Afghanistan in 1981 for CBS News when they produced the documentary "Afghanistan Between Three Worlds."