Sebastian Junger, the bestselling author of War and The Perfect Storm, takes a critical look at post-traumatic stress disorder and the many challenges today’s returning veterans face in modern societyThere are ancient tribal behaviours—loyalty, interdependency, cooperation—that flourish in human communities during times of turmoil and suffering. These are the very same behaviours that typify good soldiering and foster a sense of belonging among troops, whether they’re fightin