This week Peter Dutton used the war in Gaza to make a political point, accusing the government of bringing people in from the Gaza ‘war zone’ and ‘not conducting checks and searches on these people’ – claims not wholly true. But what is really driving this divisive debate?Bridie Jabour talks to Guardian Australia editor Lenore Taylor and head of newsroom Mike Ticher about why Dutton is dominating political discourse with distractions