Panellists: International human rights lawyer Geoffrey Robertson; editor-at-large for The Australian, Paul Kelly; activist and commentator Tariq Ali; journalist and author Ratih Hardjono; and columnist Lenore Skenazy.

Panellists: Mike Kelly, Parliamentary Secretary for Agriculture; shadow climate minister Greg Hunt; scientist and climate change advocate Tim Flannery; scientist and climate change sceptic Jennifer Mahorasy; journalist with The Australian, Jennifer Hewett; and Bruce Guthrie, former News Ltd editor and author of Man Bites Murdoch.