AS A JOURNALIST RIDING INTO IRAQ IN 2003 WITH FOUR AIRMEN FROM TEXAS Tara Copp had seen her naive ideals about war reduced to the violent realities of modern combat. From an ambushed convoy speeding through the wrong neighborhood under heavy fire, to an airman who survived a mortar hit and his recovery at Walter Reed, Tara told their stories even as she struggled to understand her own. Solace lay in her late grandfather's memoirs. Col...