Malcolm Turnbull was sworn in Tuesday as Australia's new prime minister, becoming the country's fourth leader in just over two years.
Turnbull Sworn in as New Australia PM
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Former Australian Prime Minister Tony Abbott speaks to the media at Parliament House in Canberra, Sept. 15, 2015.
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Malcolm Turnbull is sworn in by Australia's Governor-General Sir Peter Cosgrove as prime minister at Government House in Canberra, Sept. 15, 2015.
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Australian Prime Minister Tony Abbott (center) leaves the Australian Liberal Party meeting in which he lost the party leadership at Parliament House in Canberra, Sept. 14, 2015.