Gareth Porter is an investigative historian and journalist on U.S. national security policy who has been independent since a brief period of university teaching in the 1980s. Dr. Porter is the author of four books, the latest of which is Perils of Dominance: Imbalance of Power and the Road to War in Vietnam (University of California Press, 2005). He has written regularly for Inter Press Service on U.S. policy toward Iraq and Iran since 2005.