Female desire has been a battleground for thousands of years. Men have downplayed it since the ancient Greeks, demonized it in Puritan witchcraft trials and misinterpreted in the studies of Sigmund Freud. Wednesday Martin -- author of Primates of Park Avenue, Untrue and The Button, a history of women's most sensitive part, unravels the saga from the Agricultural Revolution to the Renaissance and the "clitoracy" movement today.