Each year millions of people search for clues about where they came from and who they are. That's where his story begins. Urged on by his mother's advancing Alzheimer's, he turned to her aging siblings for the family stories only they knew, before they too faded into the firmament. Over hours of shared laughter, tears, and dark coffee, he learned that his mother was the personification of the classic American myth: a child of Swedish immigrants, born...