Deciding what is and what is not political is a fraught, perhaps intractably opaque matter. Just who decides the question; on what grounds; to what ends--these seem like properly political questions themselves. Deciding what is political and what is not can serve to contain and restrain struggles, make existing power relations at once self-evident and opaque, and blur the possibility of reimagining them differently. Political Concepts seeks to revive our common political vocabulary--both everyday and academic--and to do so critically. Its entries take the form of essays in which each...