By Chris Casteel, Washington BureauWASHINGTON — The Tulsa County couple who challenged Oklahoma’s ban on same-sex marriage nearly 10 years ago urged the U.S. Supreme Court on Wednesday to use the case to decide the issue for the entire nation. Mary Bishop and Sharon Baldwin, who have won favorable rulings this year from a federal judge in Tulsa and a federal appeals court, argued in a brief filed with the high court that the Oklahoma case presents an ideal vehicle for a far-reaching ruling. “It was the first case in the country filed to challenge the spate of anti-gay-marriage laws enacted in 2004,” the brief states.Read more on NewsOK.com