Michael Ignatieff, a writer, historian, and broadcaster, is Director of the Carr Center for Human Rights Policy at Harvard University. His books include "Isaiah Berlin: A Life, Blood and Belonging," "The Warrior's Honor," and "The Needs of Strangers." His novel "Scar Tissue" was nominated for the Booker Prize, and his book "The Russian Album, A Family Memoir" won Canada's Governor General's Award and the Heinemann Prize of Britain's Royal Society of Literature.