Barry Sanders, writer and Professor in Liberal Arts at PNCA, delivered the 2009 Convocation address, “Ha He Hi Ho Hu: A Very Brief History of Laughter.” Sanders is the author of two Pulitzer nominated novels, A is for Ox: Violence, Electronic Media, and the Silencing of the Written Word and Alienable Rights: The Exclusion of African Americans in a White Man’s Land, 1619-2000. His most recent book is The Green Zone: The Environmental Costs of Militarism (2009).