Flagg Miller is a religious studies professor at the University of California, Davis, who can talk about bin Laden’s influence among a diverse range of Islamic militant movements. Miller is writing a book, Becoming Bin Laden, that investigates the contents of the al-Qaeda leader’s own audiotape library, a collection of more than 1,500 tapes.

Nicholas Fotion is a philosophy professor at Emory University in Atlanta and and an expert in military ethics. Fotion can talk about whether the killing of bin Laden was justified as an act of war, the differences and parallels in ethical considerations between conventional wars and wars on terrorism, and whether terrorism violates conditions of just-war […]

Richard Barrett is the United Nations Coordinator of the Analytical Support and Sanctions Implementation Monitoring Team, also known as the al-Qaeda and Taliban Monitoring Team. Barrett advises the Security Council on the threat posed by al-Qaeda.

Sarah Eltantawi is a scholar of religion, with a specialty in Islamic studies. She has written widely on Islam and politics.

Johari Abdul-Malik is outreach director for Dar Al-Hijrah Islamic Center in Falls Church, Va., one of the largest Islamic centers in the country. He is a former chaplain at Howard University and is also president of the coordinating council of Muslim organizations representing 46 Islamic centers, schools and organizations from Baltimore to Richmond, Va. His […]

Steven Rosenthal is a professor of history at the University of Hartford in Connecticut.

Robert L. Nichols is a professor emeritus in history at St. Olaf College in Northfield, Minn. He is co-editor of Russian Orthodoxy Under the Old Regime.

Alexander G. Golitzin is a theology professor at Marquette University in Milwaukee. He is an author of the Historical Dictionary of the Orthodox Church.

Richard G. Hovannisian is a professor emeritus in history at University of California, Los Angeles. He has written about and studied the history of Orthodox Christianity.