I will be a visiting fellow at the Center for International Studies (http://www.lse.ac.uk/collections/CIS/) at the London School of Economics (http://www.lse.ac.uk/) during February-April of 2008. I look forward to interesting conversations with new colleagues, students, and visitors at LSE. During my time at LSE, I will continue to work on my ongoing research projects in the areas of national security and government intelligence programs. Specifically, I will focus on two distinct, albeit related, questions. The first question seeks to examine the organizational structures of terrorist entities. The second question examines how these structures evolve in order to deal with pressures in the internal and external environments in which these entities operate in.