Saturday, May 1, 2010 9pmProducer: Wesley Horner Productions and the Center for Documentary Studies at Duke UniversityListen AgainSpring planting on the family farm is the time of the annual gamble --- on the alchemies of nature, on the health of livestock, on future fall harvest market prices. Planting introduces five families who are among the 1 percent of Americans who live and work on farms: the Griffieons of Iowa; the Pecusas of Hopi, Arizona; the Mains of northern California; the Wises of North Carolina; and the Hagers of western Massachusetts.