Legal opinions vary widely on what the U.S. Supreme Court's mandate of nationwide same-sex marriage will mean for pastors and government officials authorized to perform weddings. Some legal experts say government officials charged with performing weddings could lose their jobs for refusing to marry gay couples. But others believe both ministers and government officials likely will have freedom not to perform same-sex marriages that violate their religious convictions. And some experts believe pastors who refuse to solemnize same-sex marriages could face government repercussions. The court's majority opinion, written by Associate Justice Anthony Kennedy, states that "religions" and "those who adhere...