MIAMI — A judge has ordered federal officials to "use their best efforts" to help 15 Cubans return to the United States, weeks after they reached an abandoned bridge in the Florida Keys but were sent back to their homeland. While U.S. District Judge Federico Moreno sympathized with the difficulty the U.S. Coast Guard faces in making split-second decisions at sea, he wrote, "those Cuban refugees who reached American soil in early January 2006 were removed to Cuba illegally." Under the government's policy, Cubans who reach U.S. soil are generally allowed to stay, while those stopped at sea are sent...