THE Opposition has ridiculed the Government's efforts to get diplomatic assistance to Australians stranded in the US hurricane disaster zone. An Australian consular official from Atlanta has now been given approval to enter the devastated city of New Orleans. Foreign Minister Alexander Downer said today the official had permission to stay just until sunset and would be concentrating on locating two missing Australians. But Labor's foreign affairs spokesman, Kevin Rudd, said Mr Downer had achieved little. "I don't know what planet Mr Downer is on, but he's not on planet New Orleans," he said. "The bottom line is this –...