Introduction; Part I: 1. A picture holds us captive; 2. Sovereignty, judgment, and epistemic skepticism; 3. Sovereignty, language, and ethical skepticism; 4. Sovereignty, religious skepticism, and the theological-political problem; Part II: 5. Political authority and skepticism; 6. Authority, criteria, and the new social contract; 7. The claim of global community; Conclusion: authority without supremacy, community with contestation.