Immigration officials failed to show that a Romanian man’s hasty and brief marriage to an American citizen was a sham, a federal judge held. In a written opinion last week, U.S. District Judge Mary M. Rowland directed the Board of Immigration Appeals to take another look at its conclusion that Radu C. Cheslerean is not eligible to become a permanent resident of the United States. Rowland acknowledged Cheslerean and Nina Garcia were married about a month after meeting at a New Year’s Eve party. She also …