Islamic State mastermind Abu Bakr al-Baghdadi is dead. Now what? After five years of his Sunni jihadist movement's caliphate across parts of Syria and Iraq, and widespread barbarism, video-recorded beheadings, mass executions and the enslavement and raping of women, what should we expect? Will the jihadists bounce back? Jessica Stern, research professor at Boston University’s Pardee School of Global Studies and co-author of ISIS: The State of Terror. Also Recently the Liberal Party of Australia celebrated its 75 year anniversary. Two thirds of this time was spent in federal power. Historians Gerard Henderson and Troy Bramston look back at 'Menzie's Child': the good, the bad and the ugly. Gerard Henderson, former chief of staff to Liberal leader John Howard, now executive director of the Sydney Institute and author of Menzies Child: the Liberal Party of Australia, 1944 - 1994 Troy Bramston, former speech writer to Labor leader Kevin Rudd, now a senior columnist with The Australian and author of Robert Menzies: The art of politics.