Speaker(s): Professor Fawaz Gerges | Fawaz Gerges tells us how the clash between pan-Arab nationalism and pan-Islamism has shaped the history of the region from the 1920s to the present. Fawaz Gerges (@FawazGerges) is Professor of International Relations at LSE and author of Making the Arab World: Nasser, Qutb, and the Clash That Shaped the Middle East. John Sidel is the Sir Patrick Gillam Professor of International and Comparative Politics at LSE. The Department of International Relations ( @LSEIRDept) is now in it's 90th year, making it one of the oldest and largest in the world. Twitter Hashtag for this event: #LSEArabworld