The Labor and Greens Party have exchanged words in recent days after news that a motion will be moved at the upcoming NSW Labor conference to preference Greens last on voting tickets at next year's election. The ACL's Katherine Spackman spoke to Scott Prassar, Professor of Public Policy at the Australian Catholic University and Executive Director of the new public policy Institute based in Canberra about the situation. Click here to listen. Click here to read a transcript.