The desert country along the Columbia River is one of the West's least-known desert places--one that most people don't even drive through unless they are unusually curious travelers. The Hanford Reach is the last free stretch of the river between the McNary and Priest Rapids Dams, a place boasting a varied landscape of floodplains, wetlands, deserts, orchards--and nuclear reactors. This is not a place that people think to visit. Known primarily for...