Hundreds of United Methodist clergy are expressing deep concerns over a pledge made by a large group of fellow ministers to marry same-sex couples. They argue that if the pledge is carried through, the future of the denomination is in jeopardy. "We do not know how many, if any, marriages or 'holy unions' of same-sex couples will be performed by UM clergy in the near future," reads a letter, currently signed by more than 400 pastors, to the Council of Bishops. "But we do know the destructive effects that will result in our local churches and throughout the denomination if...