Saturday, May 22, 2010 9pmProducer: Wesley Horner Productions and the Center for Documentary Studies at Duke UniversityListen AgainAutumn is harvest time. That means Iowa corn and soybeans; fruit dried in the California sun; greens, beans, and potatoes; slaughtered hogs and beef trucked to market. It also means Thanksgiving turkeys. Harvest follows the families to the grain elevator, the farmers markets and, in a welcome break from work, the State Fair. It's the time of summing up after the long growing season --- the time to decide whether the gamble of early spring planting season has paid off.