El Dorado County, California, 1969 Nineteen steps below their darkened room a battle raged. Before the night was over, the lives of two brothers would be changed forever. Thirty years later, prominent San Francisco attorney Dominic Graves sits in his office overlooking the Bay and scowls at a greeting card with primitive Mayan art on its cover. He flips it open. Below the printed words "Feliz cumplea os" is a familiar scrawl: "Happy birthday, brother...