To be involved in politics without aspiring to govern, without seeking to be governed by the best leaders, without desiring to abolish all forms of government: such is the condition common to practitioners of nongovernmental politics. Whether these activists concern themselves with providing humanitarian aid, monitoring human rights violations, protecting the environment, educating consumers, or improving the safety of workers, the legitimacy and efficacy of their initiatives demand that they forsake conventional political ambitions. Yet even as they challenge specific governmental...