'CHILD OF GIANTS' Son speaks of growing up with Maynard Dixon, Dorothea Lange By LISA CRAWFORD WATSON Herald Correspondent Daniel Dixon has led, by most accounts, a remarkable life. At age 10, he was living in a Taos adobe, warmed by piñon fires and bathing "like homesteaders" in a tin tub. In 10th grade, he dropped out of school and became homeless. As a young adult, he became a freelance writer, having practiced the craft in the libraries where he had holed up to keep warm. Now a respected writer and biographer, it was actually not his life the 80-year-old...