Liz Tichenor has taken her newborn son, five weeks old, to the doctor, from a cabin on the shores of Lake Tahoe. She is sent home to her husband and two-year-old daughter with the baby, who is pronounced "fine" by an urgent care physician. Six hours later, the baby dies in their bed. Less than a year and a half before, Tichenor's mother jumped from a building and killed herself after a long struggle with alcoholism. As a very young Episcopal priest,...