For the past 180 years, the inherent power of indigenous tribes to govern themselves has been a central tenet of federal Indian law. Despite the U.S. Supreme Court's repeated confirmation of Native sovereignty since the early 1830s, it has, in the past half-century, incrementally curtailed the power of tribes to govern non-Indians on Indian reservations. The result, Dewi Ioan Ball argues, has been a "silent revolution," mounted by particular...