"As a medieval historian, I’m struck by how similar the arguments being
levied by U.S. politicians to argue for an assault on the Syrian
government are to the arguments Pope Urban II used to justify the First
Crusade at the close of the 11th century."
–George E. Demacopoulos, Fordham University professor and author of The Invention of Peter: Apostolic Discourse and Papal Authority in Late Antiquity, in www.washingtonpost.com's On Faith