Abstract
The increasing prominence of interdisciplinary research has challenged many of the familiar boundaries between political theory and other academic fields. Scholars calling themselves political theorists publish in outlets with little or no explicit connection to academic political theory, and authors from a wide variety of disciplines produce works of central importance for the field. One boundary has remained remarkably stable, however, and has played a central role in shaping the professional identity of political theory—the boundary between science and politics. This ancient conceptual boundary has been used since the nineteenth century to justify a disciplinary boundary between the humanities