AUSTRALIAN survivors of Hurricane Katrina told last night of their dramatic escape from New Orleans and the unfolding civil disaster in city. The group, joyful at fleeing the nightmare of the Louisiana city, lauded one of its members as a hero. Bud Hopes, of Brisbane, was praised for saving dozens of tourists as the supposed safe haven of the city's Superdome became a hellhole. "I would have to say that Bud is solely responsible for our evacuation," Vanessa Cullington, 22, of Sydney, told the Sunday Herald Sun by mobile phone from a bus carrying 10 Australians to safety in Dallas,...