Terry Gross

Health care analyst and substance abuse expert Joseph Califano. He was LBJ's assistant for domestic affairs from 1959-65 and Secretary for Health, Education and Welfare under Jimmy Carter from 1977-79. Joseph Califano is also president of the Center on Addiction and Substance Abuse, a research and experimental care facility at Columbia University. (Interview by Barbara Bogaev)

Senior Editor at National Review, Richard Brookhiser. Recently the conservative magazine has come out in favor of some kind of drug legalization. Brookhiser is also a columnist for The New York Observer. (Interview by Barbara Bogaev)

Ethan Nadelmann, Director of The Lindesmith Center, a research center devoted to broadening the debate on drug policy, and looking at strategies that have been overlooked or ignored. (The Lindesmith Center is located in New York City, 212-887-0695) (Interview by Barbara Bogaev)

Richard Prelinger is a archivist educational, industrial, and public-service films made from the 1930s through the 1960s. He's the director of Prelinger Associates, Inc., and he's collected some 25,000 films with titles like "A is For Atom," "Good Wrinkles: The Story of a Remarkable Fruit," and "Are You Popular?" Some of his collected films will be shown at the American Museum of the Moving Image (Jan 27-Feb 11).

Sexologist Leonore Tiefer book "Sex Is Not a Natural Act: and Other Essays."(Westview) was published in 1995, and has since come out in paperback. In the book she looks at our society's anxieties and ignorances towards sex. She also questions what is "normal" sex and how people are to know how to have sex if no one talks about it. Tiefer received a Ph.D. in physiological psychology with a dissertation on hormones and mating behavior of rats. But Tiefer came to realize she knew nothing of the social norms of sexuality and questioned how sexual norms evolved.

Journalist and musician James McBride. His new book, is "The Color of Water: A Black Man's Tribute to his White Mother" (Riverhead) about his mother who was white and Jewish, but refused to admit her race. McBride's father was black. For years, McBride knew nothing about his mother's early life. It wasn't until he started work on the book, that she opened up to tell him that her father was a failed itinerant Orthodox rabbi in rural Virginia, a racist, and he sexually abused her.

Pianist and composer Leon Fleisher. The 67 year old musician was a child prodigy. Thirty years ago he lost the use of his right hand, because of a disability, (later diagnosed as "repetitive stress syndrome") and so he began to play the left-hand repertory. Last year he made a "two-handed" comeback. It culminated with a performance on January 13, with the Orchestra of St. Luke's at Carnegie Hall. He credits the increased movement in his right hand to the deep message therapy, rolfing. (Interview by Barbara Bogaev)

Walter Turnbull is the founder and of the Boys Choir of Harlem. He has written about his work in "Lift Every Voice" by Hyperion. (Interview by Marty Moss-Coane)

Tom Blanton is the editor of the book "White House E-Mail: The Top Secret Computer Messages The Reagan/Bush White House tried to Destroy." It is published by New Press. Blanton is the executive editor of the National Security Archive, a freedom of information advocacy group. (Interview by Marty Moss-Coane)

Sidney Jones, is regional director of Human Rights Watch in Asia. Recently Human Rights Watch published a report on abandoned children in China, and their treatment in China's state-funded orphanages, "Death by Default: A Policy of Fatal Neglect in China's State Orphanages." The report finds the death rate in the orphanages "staggering," and in some cases constitutes a sinister "systematic program of child elimination." (Interview by Marty Moss-Coane) f