Thanassis Cambanis is a senior fellow and director of the international policy program at The Century Foundation in New York. He teaches at Columbia University’s School of International and Public Affairs. His books include “Once Upon a Revolution: An Egyptian Story, A Privilege to Die: Inside Hezbollah’s Legions,” and four edited volumes about politics and security in the Middle East. He is currently writing a book about the Iraq war’s global impact. His Twitter handle is @tcambanis.