Few terms in political theory are as overused, and yet as under-theorized, as constitutional revolution. In this book, Gary Jacobsohn and Yaniv Roznai argue that the most widely accepted accounts of constitutional transformation, such as those found in the work of Hans Kelsen, Hannah Arendt, and Bruce Ackerman, fail adequately to explain radical change. For example, a "constitutional moment" may or may not accompany the onset of a constitutional revolution. The consolidation of revolutionary aspirations may take place over an extended period. The "moment" may have been under way for decades-or there may be no such moment at all. On the other hand, seemingly radical breaks in a constitutional regime actually may bring very little change in constitutional practice and identity. Constructing a clarifying lens for comprehending the many ways in which constitutional revolutions occur, the authors seek to capture the essence of what happens when constitutional paradigms change.

In "Constitutional Identity," Gary Jeffrey Jacobsohn argues that a constitution acquires an identity through experience from a mix of the political aspirations and commitments that express a nation s past and the desire to transcend that past. It is changeable but resistant to its own destruction, and manifests itself in various ways, as Jacobsohn shows in examples as far flung as India, Ireland, Israel, and the United States.

Jacobsohn argues that the presence of disharmony both the tensions within a constitutional order and those that exist between a constitutional document and the society it seeks to regulate is critical to understanding the theory and dynamics of constitutional identity. He explores constitutional identity s great practical importance for some of constitutionalism s most vexing questions: Is an unconstitutional constitution possible? Is the judicial practice of using foreign sources to resolve domestic legal disputes a threat to vital constitutional interests? How are the competing demands of transformation and preservation in constitutional evolution to be balanced?