Increased concerns about the health effects of smoking have some labeling tobacco the “killer weed.” Carole Cramer (Virginia Tech) sees some good in the golden leaf. She discusses her research on combining tobacco genes and human DNA to create therapeutic drugs. Whether it’s producing tobacco or wheat, the family farm is a dying breed. Agricultural economist Wayne Purcell (Virginia Tech) talks about the future of small farms in these days of corporate farming.

Find the audio for part one here.

Find the audio for part two here.

Find the audio for part three here.

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