This is a guest post by Lara Bryant (@larasbryant), Soil Health Fellow at the Natural Resources Defense Council (NRDC) in Washington, D.C. "All roads lead back to soil," said Chef Dan Barber, keynote speaker at the Food-Energy-Water- Nexus Conference (FEW) I recently attended.Soil is foundational, literally and figuratively. In matters of food, energy, or water policy, soil should be a part of nearly every discussion, but it usually isn't.This was the theme of a FEW panel that NRDC co-organized along with the Center for Food Safety and …