<p>John Paul II and Benedict XVI, Jeremiah Barker argues, share the theological, ethical, and spiritual core of Pope Francis' social teaching. Reappropriating R.R. Reno's redemption of Francis' cogent argument, Barker draws out the underlying rationale of Francis' message, which he argues is identical to the two previous popes. Inspired by Francis' call and teaching, Barker's compelling argument is an opportunity to reconsider the legacies of Jo...