Modern warfare is a war of narratives, where bullets are fired both physically and virtually. Whether you are a president or a terrorist, if you don't understand how to deploy the power of social media effectively you may win the odd battle but you will lose a twenty-first century war. Here, journalist David Patrikarakos draws on unprecedented access to key players to provide a new narrative for modern warfare. He travels thousands of miles across continents to meet a de-radicalized female member of ISIS recruited via Skype, a liberal Russian in Siberia who takes a job manufacturing...