The author discusses one of many dichotomies comprising the development, implementation, and evaluation of security policies that is between clarity and ambiguity.
"Trends. National Security Policy and Toleration for Ambiguity: Israel, Northern Ireland, North Korea, and the World,"
International Bulletin of Political Psychology: Vol. 5
, Article 3.
Available at: http://commons.erau.edu/ibpp/vol5/iss10/3