A word conventionally imbued with melancholy meanings, "diaspora" has been used variously to describe the cataclysmic historical event of displacement, the subsequent geographical scattering of peoples, or the conditions of alienation abroad and yearning for an ancestral home. But as Daniel Boyarin writes, diaspora may be more constructively construed as a form of cultural hybridity or a mode of analysis. In A Traveling Homeland, he makes...