Unpacking the polls

This week the gals break down how polling works. You'll see different media outlets using different polls which can seem a bit confusing but we break it all down for you. Plus, they say a change in hair style can symbolise a big life change, so is Simon Bridges' mullet a sign of another run at leadership?    See omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.