Dr. Hobson is a historian of 20^th and 21^st century international affairs who specializes in the history of ideas, the history of emotions, and in U.S. and Middle East history. His book “Chains of Vengeance: The United States, the Middle East, and the Wars of Terrorism, 1967-2021” examines the rise of vengeance in U.S.-Middle East relations in the latter decades…