Fanar Haddad is Senior Research Fellow at the Middle East Institute, National University of Singapore. He is the author ofSectarianism in Iraq: Antagonistic Visions of Unity (London/New York: Hurst & Co./Columbia University Press, 2011) and Understanding 'Sectarianism': Sunni-Shi'a Relations in the Modern Arab World (London/New York: Hurst & Co./Oxford University Press, 2020). He tweets @fanarhaddad.