Washington Post February 10, 2002 View on Publisher Site HKS Authors See citation below for complete author information. Samantha Power Anna Lindh Professor of the Practice of Global Leadership and Public Policy, HKS; William D. Zabel 1961 Professor of Practice in Human Rights, HLS Citation Power, Samantha. "Witness to Horrors." Review of Black Livingstone: A Tale of True Adventure In the Nineteenth-Century Congo, by Pagan Kennedy. Washington Post, February 10, 2002.