Veteran photojournalist Bruce Haley has seen the worst of us. He's covered conflicts stretching back to the Afghan battle against the Soviet Union. Ten years ago, he wrote something he called The Tao of War Photography. It's part training manual and part memoir. It's mostly tragic and it's a little bit hilarious. Here are some highlights and a few of Haley's photographs (or read The Tao of War Photography in its entirety):