The President of the United States hit the University of Queensland over the weekend to deliver a rousing speech to students about multiculturalism, climate change and his millions of Twitter followers.
"I haven't had time to go to the Great Barrier Reef and I want to come back and I want my daughters to be able to come back and I want them to be able to bring their daughters or sons to visit," Obama said of his decision to act on climate change.
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