Antony Green on where voters matter the most

The election campaign is underway, with the prime minister Scott Morrison yesterday nominating May 21 as the date we all head to the polls.  So will the promises the leaders make in the weeks ahead ultimately change the minds of voters?  The ABC's election analyst doesn't think so.  Today, Antony Green explains to us how he sees the election campaign unfolding, and which groups of voters and which issues really count in determining who can form government. Featured:  Antony Green, ABC chief elections analyst