The Project on National Security Reform conducts extensive literature reviews as part of its study methodology. Project research fellows survey what experts, scholars and practitioners identify as impediments to U.S. government integration of national elements of power. In keeping with the Project's emphasis on transparency and informal collaboration, we invite commentary on the literature reviews which we consider works in progress. If you believe we have missed an important source, or missed a key point from a source, or have mischaracterized a source, please let us know. Feel free to submit your own annotated bibliographical entries, and we will credit you as the source. Please submit comments on the literature reviews as follows: