Scott Morrison, Anthony Albanese and the swinging voters who’ll determine the election

In Australia, elections are always won or lost in a few dozen marginal electorates based on the views of the so-called undecided. So as this year's poll draws near, what do they make of Scott Morrison and Anthony Albanese?  Today, 4 Corners Reporter Sean Nicolls on the voters who really matter. Featured: Sean Nicholls, Reporter, ABC 4 Corners