While the Liberals panic over losing affluent inner-city seats to the Independents, the Labor Party faces the same age old challenge of The Greens taking their urban working class electorates. Celeste Liddle is a candidate gunning to do just that, in perhaps the most marginal Labor seat in the country. A unionist, feminist author and a member of the party's Indigenous caucus known as ‘The Black Greens’ - Liddle could easily become the newest MP for Cooper, a division that Labor only held onto by 1% in 2016.