Each week, political commentator John Preston joins Pat Panetta to talk politics. 

<p>Each week, political commentator John Preston joins Pat Panetta to talk politics.&nbsp;</p>

Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.

<p>Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.</p>