Legal options after ABC raided by Australian federal police

Media commentator Gavin Ellis says the ABC is about to mount a legal challenge against the raid on its Sydney newsroom and News Corp is bringing out its big guns. Also, he believes it's time for media to spell out the methodology of their political polls or risk losing credibility. And with artificial intelligence providing aids for journalists, will robots replace reporters? Gavin Ellis is a media commentator and former editor of the New Zealand Herald. He can be contacted on gavin.ellis@xtra.co.nz