By Philip Pullella VATICAN CITY (Reuters) -The Vatican said on Monday in a landmark ruling approved by Pope Francis that Roman Catholic priests can administer blessings to same-sex couples as long as they are not part of regular Church rituals or liturgies. A document from the Vatican’s doctrinal office, which effectively reversed a declaration the same body had issued in 2021, said such blessings would not legitimise irregular situations but be a sign that God welcomes all. It should in no way be confused with the sacrament of heterosexual marriage, it added. It said priests should decide on …