(This is an edited transcript of an interview between Amy Goodman and Alfred McCoy from Democracy Now!. It originally aired on February 17, and is available for download from DemocracyNow.org.)

Amy Goodman: A new expose gives an account of the C.I.A.'s secret efforts to develop new forms of torture, spanning half a century. It reveals how the C.I.A. perfected its methods, distributing them across the world, from Vietnam to Iran to Central America, uncovering the roots of the Abu Ghraib and Guantánamo torture scandals.

The book is called "A Question of Torture: C.I.A. Interrogation, from the Cold War to the War on Terror," and we're joined by its author, Alfred McCoy, professor of history at the University of Wisconsin, Madison. We welcome you to Democracy Now! I first learned of you with your first book "The Politics of Heroin: C.I.A. Complicity in the Global Drug Trade," for which you almost died. What happened then?

Alfred McCoy: When I was researching that book in the mountains of Laos, hiking from village to village, interviewing Laotian farmers about their opium harvest, and they were telling me that they took it down to the local helicopter pad where Air America helicopters would land, Air America being a subsidiary of the C.