Before U.S. lawmakers decide whether they will address same-sex couples in a comprehensive immigration overhaul bill, the Supreme Court could make the decision for them. The high court faces a choice this month to uphold or strike down all or parts of the federal Defense of Marriage Act's definition of marriage as being between a man and a woman. If DOMA is struck down, gay marriage advocates will view it as an unambiguously positive outcome for their cause because, in part, it also resolves the question of whether the immigration law can apply to same-sex couples. "For the first time in immigration equality's history, our legal team is now assisting couples in preparing their green card applications," said Steve Ralls, the communications director at the advocacy group Immigration Equality. "We're definitely preparing couples. The court ruling and the backup plan of congressional legislation make us confident more so than at any other time."