Human Nature in Politics brings the competences and perspectives of law, philosophy and political science to bear on an imporant subject seldom treated at book length. The subject of human nature in politics is as old as systematic thought about politics. Out of favor for a period in modern times, it is now once more the subject of attention by political theorists who often borrow heavily from the disciplines of biology and psychology. The plurality of their approaches and insights is reflecteed in Part I of the book: Perspectives on Human Nature.

Although appeals to...