McKenzie says Nationals are confident of Farrer by-election campaign

The Farrer by-election is three weeks away and will see The Nationals and the Liberals compete against each other.  Meanwhile, US President Donald Trump says the US navy has opened fire on an Iranian-flagged cargo ship which tried to get through the Strait of Hormuz.  So with the Strait remaining closed, what does this mean for fuel supplies here in Australia?  GUEST: Bridget McKenzie, Shadow Minister for Infrastructure and Transport PRODUCER: Isadora Bogle