Writer Michael Pollan. His book, The Botany of Desire: A Plant's-Eye View of the World takes a look at four plants cultivated by humans: the apple, the tulip, potatoes and marijuana. Pollan demonstrates that plants and humans have developed a reciprocal, co-evolutionary relationship: Do we plant potatoes, or do potatoes seduce us into planting them? Pollan questions the assumption that we are in charge of our agriculture. The book is now in paperback. (Original Broadcast Date: June 6, 2001)