Julia Baird is joined by James Brown, David Marr, Kirstie Parker and Daniel James to discuss Australia's relationship with China following the release of journalist Cheng Lei, plus PwC cops a Senate grilling over tax leaks.

A special post-referendum Sunday edition: Host Ellen Fanning is joined by Dan Bourchier, Wesley Aird, Naomi Moran, Anne Pattel-Gray and Ben Abbatangelo to discuss the Voice referendum result and what it means for the future.