Religious pluralism is not only a fact of global and local encounter of religious communities, but it is increasingly part of the lives of people in many parts of the world who identify with more than one religious tradition. The phenomenon of multiple religious belonging is part of families in which parents affiliate with different religious communities; it is part of the inner landscape of students and seekers who find significant meaning and direction for their own lives not only in their tradition of birth, but in other traditions and spiritualities. How is this fluid border-crossing transforming the "religions," so often thought of as separate?