Mark Schein sings from the back row, aware that many of the people in the other pews view him as their enemy. His wife, Toni, stands by his side, but the rows around them are all empty. The hymn at this May service, backed by a pipe organ, is “Guide Me, O Thou Great Jehovah,” about perseverance in the face of great challenges. Mark is a retired farmer, a parent, a grandparent and part of a family that has attended this church, Williamsport United Methodist, since its construction in 1900. His offense in the eyes of many in this community...