Ronald D. Witherup, PSS, is superior general of the Sulpicians, an order of diocesan priests dedicated to initial and ongoing formation of priests. He holds a doctorate in biblical studies and is the author of numerous books and articles on Scripture, including The Word of God at Vatican II: Exploring Dei Verbum, and Biblical Fundamentalism, What Every Catholic Should Know, published by Liturgical Press. He is also a contributor to Give Us This Day.