Turnbull Sworn in as New Australia PM

Malcolm Turnbull makes an address at Parliament after he was sworn in as prime minister in Canberra, Australia, Sept. 15, 2015. ​

Malcolm Turnbull is sworn in as Australia's 29th prime minister by Australia's Governor-General Peter Cosgrove (right) at Government House in Canberra, Sept. 15, 2015. 

Malcolm Turnbull (3rd from right) poses with members of his family after being sworn in as Australia's 29th prime minister at Government House in Canberra, Sept. 15, 2015. 

Malcolm Turnbull (bottom right) makes an address at Parliament after he was sworn in as prime minister in Canberra, Sept. 15, 2015. 

Former Australian Prime Minister Tony Abbott speaks to the media at Parliament House in Canberra, Sept. 15, 2015. 

Malcolm Turnbull is sworn in by Australia's Governor-General Sir Peter Cosgrove as prime minister at Government House in Canberra, Sept. 15, 2015.

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.