Chilean naval crews are waiting for the high tide on Monday to try to free a cruise ship stranded in Antarctica, after the first attempt to refloat the vessel was unsuccessful. Attempts on Sunday to free the MV Ushuaia, which is stuck on the rock, tilted to one side and leaking fuel, proved to be more difficult than first thought. Eleven Australians were among 120 people on board the ship who had to be evacuated to Argentina after the vessel was damaged when it hit a rock on Thursday. US-based International Association of Antarctic Tour Operators executive director, Steve Wellmeier,...