Introduction
What is the relation between political theory and political practice? In what ways can political philosophy help people to address real injustices in the world? John Rawls argues that an important role of political philosophy is to identify the ideal standards of justice at which we should aim in political practice. Other philosophers challenge this approach, arguing that Rawls’s idealizations are not useful as a guide for action or, worse, that they are an impediment to addressing actual injustices in the world. They argue, instead, that political philosophy ought to be focused on theorizing about the elimination of existing injustice. Still others argue that principles of justice should be identified without any constraint concerning the possibility of implementation or regulation in the real world at all....