Professor Patricia Turner, of the African American Studies department at University of California, Davis. Her new book "I Heard It Through the Grapevine" (U. of California Press) examines the historical and social ramifications of rumor in African American culture. From Ku Klux Klan-owned clothing and cigarette companies to a military conspiracy to infect Africans with AIDS, she looks at the role of legend and rumor, finding it has long been a feature of the community.