"Those who were building the wall and those who carried burdens took their load with one hand doing the work and the other holding a weapon." (Nehemiah 4:17)   The first sight of the ruins of an old farmhouse in the countryside often brings a sense of decay. The roof has caved in, the windows are shattered frames, and the walls are nothing more than piles of scattered brick and stone. To a passerby, it is a wreck. But to the farmer who owns the land, it is a foundation. That owner does...