Members of the choir sing during Palm Sunday at Trinity Church. (Nancy Lane/Boston Herald) Cardinal O’Malley leads Palm Sunday mass at the Cathedral of the Holy Cross in Boston. (Libby O’Neill ...

What the Catechism of the Catholic Church says on "The Trinity:" 232. "Christians are baptized 'in the name of the Father and of the Son and of the Holy Spirit' [Mt 28:19.] Before receiving the ...