Since the end of the Cold War, global leaders have been integrating the world's economy, transport and communications, breaking down borders in the hope of making war impossible. In doing so, they have unwittingly created a formidable arsenal of weapons for new kinds of conflict and the motivation to keep fighting. Troublingly, we are now seeing rising conflict at every level, from individuals on social media all the way up to nation-states in entrenched stand-offs. Mark Leonard has been inside many of the rooms where our futures, at every level of society, are being decided. In seeking to understand the ways in which globalization has broken its fundamental promise to make our world safer and more prosperous, Leonard explores how we might wrest a more hopeful future from an age of unpeace.