In the affairs of politically organized mankind, there is a ladder of actions which commences with variegated, often amorphous qualities that have come to be called national interests.
Westwood, James T.
"Set & Drift: A Contemporary Political Dilemma: The Impact of Intelligence Operations on Foreign Policy,"
Naval War College Review: Vol. 30
, Article 9.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol30/iss2/9