As a child in eastern Kentucky, I often helped my grandmother work in her large garden, lush with tomatoes, beans, okra, potatoes, and peppers. Granny was born in 1909, 62 years before me. As we hoed the long rows, I loved to hear her stories of living through the Great Depression and World War II. During the hard times of the 1930s, she said, neighbors banded together to help one another, pooling money to assist a destitute family or leaving food on the doorstep of a widow raising several children....