The vice-chancellors of Sydney University and UNSW push back against calls for a "model code" on free speech.
Top media executive and lawyer Bruce McWilliam has attacked national security laws, which rejected a Senate inquiry recommendation.
Peter Dutton was forced to affirm the independence of the AFP while Labor has called on him to explain his knowledge of two raids targeting journalists.
The Prime Minister said Australia believed in press freedom, but there were "clear rules" protecting classified information.
A University of Sydney investigation into a protest targeting an event featuring author Bettina Arndt found they were both "legitimate" expressions of free speech.