In 1980 Nick Greiner was elected to the NSW Legislative Assembly for the Liberal Party , becoming Leader of the Opposition in 1983 .
In 1980 Nick Greiner was defeating the Labor Party 's Barrie Unsworth in 1988 to become Premier of New South Wales .
In 1980 Nick Greiner was elected to the NSW Legislative Assembly for the Liberal Party , becoming Leader of the Opposition in 1983 , and defeating the Labor Party 's Barrie Unsworth in 1988 to become Premier of New South Wales .