This week, fresh speculation has erupted over Australia\u2019s plan for nuclear powered submarines \u2014 and whether it will ever happen. Has the government made a strategic mistake in the region by tying itself so closely to the US? What could the upcoming presidential election mean for Australia\u2019s defence plans? Jane Lee talks with head of newsroom Mike Ticher and national news editor Patrick Keneally about the future of Australia\u2019s alliance with the US