Two sides of the US gun control debate meet at a protest in Cincinnati, OhioReuters/James Lawler DugganOutragedKurt Gray (Pantheon)It is hard to ignore just how bitterly divided the world feels right now. Over the past year, elections in more than 100 countries have exposed the widening gulf between opposing views. Online, debates spiral into hostility within seconds. In person, contentious topics are often avoided altogether.Like many, I have struggled to understand the other side, let alone imagine bridging the divide. But in Outraged: Why we fight about morality and politics and how to find common