Australian Treasurer Scott Morrison will become Australia's new Prime Minister after winning a Liberal party leadership vote on Friday.   <br />''<br />''<br />''Mr Morrison, won an internal ballot 45-40 over former Home Affairs Minister Peter Dutton. <br />''<br />''<br />''Prime Minister Malcolm Turnbull did not contest the party ballot as he was  under pressure from poor polling, a looming election, and a revolt by conservative MPs. Josh Frydenberg, the environment and energy minister, was selected as deputy Liberal leader.<br />''<br />''<br />''The Liberal party is the senior partner in the ruling conservative coalition that will face an election by May 2019. <br />''<br />