More than ever before, leadership is seen as critical for the proper functioning of societies and social institutions. Written by a team of leading experts, The Nature of Leadership will provide compelling answers to the most vexing questions surrounding leadership: Is leadership measurable? Are there traits that reliably distinguish leaders from nonleaders? Does the situation matter? Are there differences in women's and men's leadership styles? Is ethical leadership effective leadership? Are elements of leadership culturally bounded whereas other elements are universal? Does vision really matter? Can leadership be developed? --COVER.