Bob Kata believes that legalizing crocodile hunting would make waterways safe again and turn a profit by attracting big game hunters. Other Australians disagree with his science and his economics. They say salties are worth more alive than dead.Darwin's roaring tourism trade relies in large part on crocodiles. >> Wow, look at that. Nice.Great time to see crocodiles now. Beautiful. Oh yeah.Just outside the city, you can pay for a close encounter with some coldblooded killers. And he'll be waiting for you to ...