A human rights lawyer travels to hot zones around the globe, before and after the September 11 attacks, to document abuses committed by warlords, terrorist groups, and government counterterrorism forces. Whether reporting on al Qaeda safe houses, the mechanics of the Pentagon's smartest bombs, his interviews with politicians and ordinary civilians, or his own brush with death outside Kabul, John Sifton wants to help us understand violence--what it is, and how we think and speak about it.

For the human rights community, the global war on terror brought unprecedented challenges. Of...