Book excerpt: Today's wars have no definitive end in sight, are conducted among civilian populations, and are fought not only by soldiers but also by unmanned aerial vehicles. According to M. Shane Riza, this persistent conflict among the people and the trend toward robotic warfare has outpaced deliberate thought and debate about the deep moral issues affecting the military mission and the warrior spirit. The pace of change, Riza explains, is revolutionizing warfare in ways seldom discussed but vitally important. A key development is risk inversion, which occurs when all noncombatants are at greater risk th.