The ecumenical movement currently faces a number of notable challenges. While relations between Christian communities improved significantly over the course of the 20th century, partners in ecumenical dialogues often brought to the table fundamentally different conceptions of the nature of the church. Thus, the problem of "ec-clesiality" has emerged as an especially pressing issue for contemporary ecumenism. Fresh reflection on what makes the church legitimately the church will hold considerable promise for revitalizing efforts toward Christian unity. This book explores the contributions of...