Latin should be used more frequently in the Roman Catholic liturgy, according to a Vatican’s chief liturgist. Speaking Nov. 11 to the Archdiocese of St. Louis Gateway Liturgical Conference here, Cardinal Francis Arinze, the head of the Vatican's Congregation for Divine Worship and the Discipline of the Sacraments, told the more than 250 people gathered that the Latin language is currently “in the ecclesiastical refrigerator.” “Mass today,” the 74-year-old conference keynoted added, “should be in Latin from time to time.”