An overview of 10 key insights from CSL that have shaped the Mass we celebrate today.Reverend Joshua R. Brommer, STL, is the Administrative Assistant to the Bishop and the Director of the Office of Worship for the Diocese of Harrisburg. He earned his Licentiate in Sacred Theology from the Pontifical Gregorian University, Rome, in 2007 with a focus in Sacramental Theology and the doctrine of grace. Since ordination, he has served as parochial vicar in three parishes in the Diocese of Harrisburg, taught in the Diocesan Permanent Diaconate Formation program, and offered many classes, lectures, and retreats.