I am a Senior Expert at the United States Institute of Peace and an affiliate with Stanford's Center for International Security and Cooperation. My research interests are in the International Relations of South Asia, political violence, US counterterrorism policy, al-Qaida, and social media and politics. Some of my research has appeared in or is forthcoming at peer-reviewed journals, such as International Security, International Studies Quarterly, Perspectives on Politics, Security Studies and Studies of Conflict and Terrorism. My commentary has appeared in Foreign Affairs, Foreign Policy, H-Diplo, Lawfare, Modern War Institute, New York Times, Political Violence at a Glance, Politico, War on the Rocks, and Washington Post.