Is nationalism an excuse for world domination? If you have an arsenal of weapons like the US does, you need a more nuanced catch-phrase than 'America first' if you don't want to start a war. Brendon O'Connor, Associate Professor in American Politics, United States Studies Centre , University of Sydney, co-author of Ideologies of American Foreign Policy Joseph Sternberg explains that the challenges of Generation Millennial go beyond spending their house deposit on avocado toast in his book The Theft of a Decade