Margie Winters, right, ex-nun, ex-Director of Religious Education at Waldron Mercy, a private Catholic high school--- and partner Andrea Vettori Pope Francis refined his vision for the church last week when he said long-spurned divorced and remarried Catholics should be welcomed with "open doors." And he has famously parsed centuries of thought on homosexuality into a five-word quip: "Who am I to judge?" Yet the Archdiocese of Philadelphia opened its door only briefly when married gay teacher Margie Winters, trailed by supporters, arrived Monday with 23,000 petitions seeking reinstatement to her job at a Catholic elementary school. "The school and...