Neo-Classical RealismMorgenthau: science of international politics positivism Six Principles of Political Realism:Politics is governed by objective lawswhich have their roots in human nature !predict rational pol behavior" National interest de#ned in terms of power.$dea and concept of INTEREST remains constant forms and nature of state power will vary in time% place and conte&t 'niversal moral principles do not guide state behavior (here is no universally agreed set of moral principles $ntellectually% the political sphere is autonomous from every other sphere of human concern legal% moral and economic interest de#ned in terms of P)*+R