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Curtin University Professor Joe Siracusa says Australians will be “in for a wonderful ride” with John F. Kennedy’s daughter Caroline Kennedy set to be named as the United States' ambassador to Australia.

“This is a very big appointment for two reasons,” he told Sky News.

“Australians like their ambassadors who are close to the president of the United States, the kind of person who could pick up the phone.

“And the second thing is they like a brand name and this woman, she hits all of these things.

“Australians are going to be in for a wonderful ride.”