An attorney for a gay Costa Rican immigrant married to a U.S. citizen plans to ask a Houston judge on Thursday to halt deportation proceedings while the courts weigh the future of a federal law forbidding marriage between same-sex partners. David Gonzalez, a 35-year-old accountant from Costa Rica who overstayed his tourist visa, is scheduled to appear before a Houston immigration judge Thursday morning, accompanied by his partner, U.S. citizen Mario Ramirez, whom he married in California in 2008