A Russian cruise ship with only rats aboard is floating aimlessly in the North Atlantic, hundreds of miles off the coast of Newfoundland after breaking loose from a tugboat. The MV Lyubov Orlova — named after an iconic Russian film actress — was being towed to a scrapyard in the Dominican Republic when a cable snapped, leaving the 295-foot vessel adrift. A brief effort to re-secure the boat was abandoned days later due to rough seas. As of Tuesday, the ship was roughly 760 miles off the coast of Newfoundland and 1,125 miles from Ireland, a U.S. intelligence agency told...