After another year of record heat and extreme weather, Nicholas Rowley unpacks what the UN climate talks might achieve. Annabel Crabb on her new ABC TV series Civic Duty; Michelle Grattan takes us back 50 years to the drama of the political crisis of the dismissal. An update on Australia's high speed rail plans between Newcastle and Sydney with rail expert Buddhima Indraratna; the politics of New York City and the victory of Zohran Mamdani with NYMag columnist Ross Barkan and Sophia Rosenfeld discusses her new book, The Age of Choice: A History of Freedom in Modern Life