Security and development matter: they often involve issues of life and death and they determine the allocation of truly staggering amounts of the world"s resources. Particularly since the start of the wars in Afghanistan and Iraq, there has been momentum in policy circles to merge the issues of security and development to attempt to end conflicts, create durable peace, strengthen failing states, and promote the conditions necessary for people to lead healthier and more prosperous lives.In many ways this blending of security and development agendas seems admirable and designed to produce positive outcomes all around. However, it is often the case that the two concepts in combination do not receive equal weight, with security issues getting priority over development concerns. This is not desirable and actually undermines security in the longer term. Moreover, there are major challenges in practice when security practitioners and development practitioners are asked to agree on priorities...