'David vs Goliath battle': Independent seeking historic victory this election

The federal election campaign has passed the halfway mark, and the possibility of a minority government hasn't been ruled out. This prospect has put into sharp focus the independent candidates running in this election.  Caz Heise is among key independents backed by political fundraising group, Climate 200, and is vying for the most marginal Nationals seat in Australia. Guest: Caz Heise, Independent candidate for the federal seat of Cowper on the New South Wales Mid North Coast. Producer: Lexie Jeuniewic