Robin Ryan, CP, is a Passionist priest and theologian who serves as associate professor of systematic theology at Catholic Theological Union (Chicago). He is the author of numerous articles and recordings on theological and spiritual topics. He edited and contributed to the book" Catholics on Call: Discerning a Life of Service in the Church" (Liturgical Press, 2010). He is the author of "God and the Mystery of Human Suffering: A Theological Conversation Across the Ages" (Paulist Press, 2011). He is also a contributor to and English-language editor of the forthcoming Diccionario de la Pasion (M...