Anna Henderson's Canberra, the Mecca defence pact, and the history of punctuation

PM Albanese and Opposition Leader AngusTaylor are doing a deal on gambling. Saudi Arabia, Türkiye, and Pakistan have just signed a new NATO-like defence pact which commits each country to respond in the event of an attack on the other. So what are the implications for the Gulf conflict? Plus, from hieroglyphs to hashtags, the hidden history of punctuation and the tiny marks that have shaped how we communicate.Guests: Anna Henderson, SBS World News Chief Political Correspondent | National Press Club DirectorProfessor Simon Mabon, Professor of International Politics at Lancaster UniversityFlorence Hazrat, author, On the Mark