Laura Tingle on the Voice debate

In a few days Australia will hold the first referendum to change the constitution in more than 20 years.  It’s a significant moment, but the debate leading up to it has been divisive and confusing.  Today, 7.30’s chief political correspondent Laura Tingle with her analysis of the bitterness of the campaign and the scars that will be left once it’s all over.  Featured:  Laura Tingle, 7.30's chief political correspondent