NEW ORLEANS—Louisiana has 15 days to add the names of both fathers to the birth certificate of a boy born in Shreveport and adopted by a gay couple from out-of-state, a federal judge has ruled. The state is asking the 5th U.S. Circuit Court of Appeals to overturn the ruling by U.S. District Judge Jay Zainey, and to halt the order in the meantime, state Attorney General Buddy Caldwell said Thursday. "The federal district court has significantly misinterpreted Louisiana vital records law, forcing Louisiana to import and adopt New York law," he wrote in a brief e-mailed statement. Oren Adar...